Cutting the stems crossways shortens the fibres, much as with a tough steak, making them perfectly edible and preventing waste. Department of Horticulture, Michigan State University Extension. Why are my kale seedlings turning purple? This means they grow their vegetative leaves the first year and then send up flowers the second year, producing seeds before the plant dies. Alexis Temkin, a toxicologist at EWG, says these crops may be heavily contaminated because they grow close to the ground, where they are more likely to be exposed to bugs and therefore to be targets for. It is a hardy plant that can grow up to 5 feet tall! In addition, chlorophyll can mask anthocyanins, so conditions that degrade chlorophyll can make leaves appear purple. She holds a masters degree in nutrition science from Boston University. Redbor Kale has beautiful, purple ruffled leaves that add great ornamental value to your garden when grown with Pansies, Violas, and Snapdragon. 2 cups 1% milk. Rotate the tray and cook the leaves for another 3 . Lesions on undersides of leaf are often restricted by veins, Downy mildew (Peronospora parasitica) on brassica. They spread quickly and damage the leaves. Use compost, animal manure, bone meal, rock phosphate, or green manure for natural sources of phosphorus. Stay tuned for the first newsletter in the morning, straight to your inbox. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. Kale is a hardy plant, tolerating frost, and will grow optimally in a rich, moist, well draining soil with a pH of 6.5. Gerardos friends and family are the lucky beneficiaries of his delicious cooking. Keep soil moist during germination to prevent a crust from forming on the soil surface as this will cause uneven germination. Uncredited photos: Shutterstock. This attractive vegetable offers a very robust cabbage flavor more intense than that of green or black kale. Disease emergence favored by cool, moist conditions. The Red Russian Kale is a very tender, colorful specialty kale for salad mix and bunching. Purple it up (or down). Kale grows best in full sun, but will tolerate partial shade as well. Death in the leaf veins is one symptom that distinguishes these bacterial leaf diseases from those caused by fungi. Crucifer flea beetle damage on broccoli leaf, Shothole" damage on chinese cabbage due to crucifer flea beetle. Start the seeds indoors in small pots filled with a seed-starter mix. It can also be used as fodder for animals. Black rot can be diagnosed because of the V-shaped lesions that typically occur on the edge of the leaves against the veins. As a result, the ornamental stuff is much less flavorful than the edible culinary leafy greens. Much larger than regular kale (2 to 3' tall), the stems are purplish and the leaves are shaped like big oak leaves and colored a velvety gray green. amoraciae (Xca). Add bean mixture to soup, bring to simmer and add rice. So it's best to focus on a color combination that appeals to you. It is popular in the local market. CEASE is available in much larger batches and is designed for commercial applications. For example, Psm prefers daytime highs of 65 F to 75 F, so it is more likely to be a problem in the Pacific Northwest or during the fall of warmer climates. Blue and UV photons have high energy, and so anthocyanin production is triggered more than photons with less energy (green and red light). How can I use these plants in the landscape? Kale is cool season crop that grows best in cool, moist conditions. Redbor Kale. All plants need phosphorus (P) in order to create energy, sugars, and nucleic acids. It can also be a sign that the leaves have been exposed to extremely cool temperatures, especially when young. Insect can go through 35 generations a year. They can all serve as reservoirs of bacteria to infect your kale plants. Corn with a phosphorus deficiency will have narrow, bluish-green leaves that eventually turn reddish-purple. Large or small holes in leaves; damage often extensive; caterpillars are pale green with a white lines running down either side of their body; caterpillars are easily distinguished by the way they arch their body when moving; eggs are laid singly, usually on the lower leaf surface close to the leaf margin, and are white or pale green in color. With your hands tear the leaves away from the stem. Gardeners Path and Ask the Experts, LLC assume no liability for the use or misuse of the material presented above. Seedlings started indoors or in a cold frame are ready to be transplanted when they have 34 leaves and the daytime temperature has reached 10C (50F). That could be in part due to cooler temperatures and less nutrient uptake by the plants. However, the leaves of these varieties are safe to eat. As it sounds, Wisconsin Horticulture writes that ornamental kale is predominantly bred for its beautiful appearance. Once your kale plants are infected, it may not be possible to stop the disease if conditions are favorable. Dig a hole, pop the plant in and backfill with soil. Below see arugula, strawberry and sorrel turning purple. Can Hibiscus Change Color: Reasons For Hibiscus Turning A Different Color, Foliar Feeding With Calcium: How To Make Your Own Calcium Fertilizer, Calcium Nitrate Fertilizer - What Does Calcium Nitrate Do For Plants, Common Flowering Quince Diseases And Pests, These Weeds That Spread By Seed Can Sprout After Years, 3 Common Gardening Mistakes That Harm The Environment, Cranberry Vine Care Learn How To Grow Cranberries At Home, Care Of Damaged Plants: Information For Salvaging Injured Plants, Ligustrum Care: Information On How To Grow Ligustrum Shrubs, Growing Lentils: Where Are Lentils Grown And How To Use Lentils, Home & Garden Marketplace: Advertiser Info. Here is more about what we do. This disease gets its name because it turns the plants black in its advanced stages. This often means sowing in July but may be as late as October in warmer Southern regions. What are the symptoms of phosphorus deficiency in plants? Home Vegetables Can I Eat Purple Kale? They can survive as long as temperatures remain above 5 degrees Fahrenheit. Root-knot nematode female and egg mass of the root-knot nematode, Meloidogyne sp. Source: tracie7779. These regions have a cool climate, and the soil is rich in nutrients, which is ideal for growing kale. Purple leaves point to a phosphorous deficiency in non-brassicas. Areas of irregular growth on plant; stunted plant growth; plants wilt during hot afternoons during periods of water-stress; galls on roots, Root-knot nemtodes are easily spread via movement of infected soil; root-knot nematodes have a wide host range which includes many weed species which can act as reservoirs for infection, Links will be auto-linked. May become a problem on cabbage during cool, wet periods. Slightly sweeter than curly or Tuscan kale, purple kale adds color to any dish and handles cooked and raw preparations with ease. Common Carrot Plant Pests and Diseases, Rodent-Free Garden: How to Get Rid of Rodents Eating Your Root Crops, How to Humanely Stop Birds from Stealing Seeds and Seedlings in Your Garden, What Is Potato Scab and How Can You Best Prevent It, How to Get Rid of Chipmunks in Your Garden, How to Safely Keep Moose Out of Your Garden, How to Spot and Get Rid of Mealybugs on Houseplants for Good, How to Prevent and Get Rid of Codling Moths in Your Garden. Kale comes in many varieties and colors. Black rot can cause leaves to yellow and drop off the stems. Examples of these regions include the Mount Kenya region, the Aberdares, and the Elgeyo Marakwet. Stir in kale, parsley, stock and spices. This type of kale is bright purple, with leaves that closely resemble curly kale, though not as tightly curled. However, if the plants in your garden are turning yellow, then its important to figure out whats causing the leaves to change color. I'd be looking at magnesium or nitrogen actually. its versatile and boasts a nutty, earthy flavour that works well in a wide range of recipes. Rip the leaves into bite sized pieces, trying to get them uniform in size. These are more likely to appear in damp weather conditions. If the bacterial infection on your kale plants is not too advanced, you can try several organic methods to treat your plants. Your best way to prevent this is to keep your plants healthy and grow them under the appropriate conditions, i.e., full sun and cool temperatures. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Its stems are purple and leaves are deep gray-green with purple veins. How Do You Take The Bitterness Out Of Kale? Common disease problems include leaf spots, blackleg, black rot, and yellows. Its flavor is more sweet and peppery. However, when grown in warmer climates, partial afternoon shade is ideal. Delectable leaves turn purple in cold weather. She has 30+ years of experience with year-round organic gardening; seed starting and saving; growing heirloom plants, perennials, and annuals; and sustainable and urban farming. Types of Kale. Since most fertilizers deliver more than adequate amounts of phosphorus, a phosphorus deficiency typically occurs when a grower is intentionally limiting its supply to inhibit extension growth, such as feeding with only 15-0-15. The variety has dark green leaves and flavor and little fiber. They began on one as yellow spots, which then turn brown and appear dead. Ornamental cabbage and kale look especially good in a large grouping or as edging for a garden bed, where their purplish hues blend well with other fall colors. They are slightly bitter, though are often used as a garnish. Sprinkle the kale with olive oil and sea salt and bake in the oven for 5 minutes. If harvested leaves turn yellow due to being stored for too long or improperly in the fridge, then theyre likely safe as long as they dont show signs of rotting or smell funky. Helga then returned to Cornell to obtain a PhD, studying one of the model systems of plant defense. This problem occurs early in the season, often due to cold and wet soil. The leaves are well flavored and easy to cook. If your soil stays too wet or too dry that too can cause such symptoms by damaging roots and subsequent nutrient uptake. Leafy greens actually turn purple although not obvious to the human eye, it can be seen through advanced hyperspectral imaging (different than purple varieties of some vegetables). This is akin to a baby turning blue when it's too cold. These conditions can lead to insufficient uptake of phosphorus, and thus growth, even if it is not limiting in the substrate. Kapitan - the classic curly kale, with densely curled, deep green leaves. Humidity typically isn't an issue for these plants. If you have a plant with purple leaves, it may also be due to elevated levels of anthocyanin, which is a purple-colored pigment. These biennial plants are generally discarded before the second season when they flower and set seeds. If the top inch of soil is dry, it's time to water. Some varieties of kale are grown as decorative ornamental plants due to their attractive, brightly colored foliage. Is there a difference between purple and green kale? But if the weather is damp and the plants don't have good air circulation, they might develop fungal diseases, which usually appear as spots on the leaves. Color Your Garden Brightly with Painted Daisy, Color Your Garden Brightly with Painted Daisy, .slick-slider#wpsp-83657 {margin-left: 0px; }.slick-slider#wpsp-83657 .wp-show-posts-inner {margin-left: 1em; margin-right: 1em; }#wpsp-83657.wpsp-card .wp-show-posts-single {margin-bottom: 2em; }.slick-slider#wpsp-83657 .wp-show-posts-single {margin-bottom: 0px; }#wpsp-83657 .wp-show-posts-inner {background-color: #ffffff; }#wpsp-83657.wp-show-posts .wp-show-posts-entry-title {font-size: .9em; }.wp-show-posts-columns#wpsp-83657 {margin-left: -2em; }.wp-show-posts-columns#wpsp-83657 .wp-show-posts-inner {margin: 0 0 2em 2em; } . Its mass of well-curled reddish leaves with deep purple veins turns a solid, deep violet in cool weather, DeJohn . You can also add it during the growing season to give your plants a little extra oomph. Curly kale has frilly leaves. Space the young plants about 18in (45cm) apart. All plants need phosphorus (P) in order to create energy, sugars, and nucleic acids. 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. When you notice a plant with purple leaves rather than the normal green color, it is most likely due to a phosphorus deficiency. organic biologically based bactericidal and fungicidal treatment, How to Deadhead Blooming Plants in the Garden, 15 of the Best Morning Glory Varieties for Home Gardeners. How Do You Pick Kale At The Grocery Store? Ornamental cabbage and kale grow approximately one foot wide and 15 inches tall. Several types of pathogens can cause the leaves of your kale plants to turn yellow and thin out. REDBOR KALEREDBOR KALE: The stunner of the bunch, Redbor kale has dramatic purple tightly frilled leaves and a mild, crisp flavor. It is a very popular seed variety grown across Africa. One of the most commonly asked questions relates to having a plant with purple leaves or leaves turning reddish-purple in color. Purpling of leaves can have a variety of causes, but the most common one is a deficiency in phosphorus. What is the difference between ornamental and edible cultivars? At the same time, add a rapid release phosphorous fertilizer to the soil, like bone meal or fish meal. It might be one of the most common types of kale. V-shaped brown lesions originating from edge of leaves; black leaf stems and drop from the plant; black discoloration of stem; brown spots on leaves. Even if you plant disease-free seeds, that may not be enough to protect your plants if cruciferous weeds, such as wild mustard, wild radish, and shepherds purse, are in the area. Fungicides may help treat fungal diseases if applied early enough. Uncredited photos: Shutterstock. This superfood has been on dinner plates since Roman times and has long been common across much of Europe. How to Identify and Treat Common Viburnum Diseases, How to Identify and Treat Common Viburnum Diseases. This winter, a lot of my vegetable plant leaves have begun to turn red/purplish, and the plants are not growing very well. Lets find out! Khn on Brassica. This article should not be construed as personalized or professional medical advice. If your kale leaves are showing signs of bacterial disease, you can also spray them with liquid copper. Flowering kales can be divided into "fringed-leaved cultivars" (those with ruffled leaves) and "feather-leaved cultivars" (those with finely serrated leaves). They are left to grow right up into winter snowfall, where they can look magnificent with a cloaking of fresh snow. If you notice that the leaves on your growing plants are just starting to turn yellow, you can extend their culinary life by harvesting them immediately and storing the greens in the freezer. Then you can place it in zip-top storage bags and keep in the freezer for four to six weeks. As low as $4.95. You can eat these leaves raw in salads, in sandwiches or in wraps. It can stay in the field for a long time, therefore, giving a higher yield. Kale, Brassica oleracea variant acephala, is a leafy herbaceous biennial or perennial plant in the family Brassicaeae grown as a leafy green vegetable. Spoiled greens have the potential to make you sick. Reddish, reddish-violet, or violet color develops from increased anthocyanin synthesis. 'Chidori' ornamental kale: This plant has very curly leaf edges with leaves that are purple, creamy white, or deep magenta. Kale needs to be well anchored, so be sure to properly firm the plants into position so that the rootballs are in good contact with the soil. But when the leaves start turning yellow, you may be wondering if theyre safe to eat. In Kenya, kale is mainly grown in the highlands, which are located in the central, western, and parts of the eastern regions of the country. Lower-leaf purpling, especially along the margins, can occur when there is a phosphorus deficiency. Kale (/ k e l /), or leaf cabbage, belongs to a group of cabbage (Brassica oleracea) cultivars grown for their edible leaves, although some are used as ornamentals.Kale plants have green or purple leaves, and the central leaves do not form a head (as with headed cabbage).Kales are considered to be closer to wild cabbage than most of the many domesticated forms of Brassica oleracea. But if your green leaves are suddenly turning purple, it could be a sign of phosphorus deficiency, as a result of low soil temperatures early in the season. acephala)is a cruciferous vegetable, like broccoli, cauliflower, and brussels sprouts. Use drip irrigation if possible to conserve water. If leaves are purple but shouldnt be, ensure the root systems are healthy, adequate phosphorus is present in the substrate, light levels arent too high, and temperatures are not too low. In fact, the colors become their most vibrant once night temperatures start dropping below 60F. Have your kale plants contracted one of these diseases? Therefore, your best bet for control is to prevent infection. Or dust your kale leaves with talcum powder. Plant the seeds about 1/4 inch deep and keep the soil moist in a bright location at about 70 degrees Fahrenheit. Despite its tendency to be healthy, kale plants can be susceptible to frightful bacterial pathogens under the right conditions. Cause: Phosphorus is an essential nutrient for root development and when it is in short supply, the seedlings growth stops and the veins in leaves can look like they are tinted purple or red. However, there are times when your kale plants can come down with a disease. Cut this way, the stems can be cooked in the same way as the rest of the leaf: sauteed, boiled or steamed. The best way to store it is by placing the unwashed greens in a bag or container in your fridge. She's also an author of three gardening books, a plant photographer, public speaker, and a former Cornell Cooperative Extension Horticulture Educator. Add half of the kale to the basket of your air fryer. Pathogen is spread via infected seed or by splashing water and insect movement; disease emergence favored by warm and humid conditions. MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. Kale is available at local farmers markets. Each type has subtle differences in flavor and texture. Phosphorus deficiency can cause leaves to turn purplish but it is generally in good supply in our soils so I would have a soil test done before adding additional phosphorus. In addition to increasing pigmentation, they also make plants more resilient to some insect and disease pests and can improve stress tolerance. Instead, keep it in the crisper drawer where its slightly warmer. Defrost before cooking and enjoying, or add the raw greens straight to your blender from the freezer to make a smoothie. If its been blanched first, it can keep for up to one year in the freezer. Both Psm and Xca infections start out with small water-soaked lesions with halos that grow larger and merge, resulting in widespread yellowing. However, in its early stages, some isolates of Xcc can cause the kale leaves to turn yellow. 'Osaka' ornamental cabbage: This ornamental cabbage has large, smooth leaves with center colors of pink, red, or . If your seedlings are too large, do not clip them. The Bottom Line. The test will cross-react with the closely related Xca bacterial leaf spot, so you can buy seed that lacks both of these pathogens. While yellowing can simply be a sign that your crop has gotten old, it may also be due to improper storage or disease. The purple coloration of plants is most important when crops are ready for the market. Lack of phosphorus can cause discolered leaves. Whats the difference between green and purple kale? A kale or a cruciferous vegetable allergy may result in a range of symptoms.These can include: Too often recipes instruct you to remove and discard kale stems. But did you know you can actually cook themand that theyre delicious? However, if it was fairly fresh, then you may not have been storing it properly, causing it to age and go bad more quickly. Does kale come back every year? In addition to increasing pigmentation, they also make plants more resilient to insect. Chinese cabbage due to improper storage or disease or leaves turning reddish-purple color... With purple leaves point to a phosphorus deficiency turning blue when it & x27. York, NY 10036 how to Identify and treat common Viburnum diseases, how Identify... Yellow and thin out, studying one of the kale to the soil is dry, it may be... To treat your plants a little extra oomph and subsequent nutrient uptake by the plants black in its advanced.! Used as a garnish West 42nd Street, New York, NY.! To frightful bacterial pathogens under the right conditions and cook the leaves for another 3 therefore your... Blanched first, it can also be a sign that the leaves for another 3 tightly.! Related Xca bacterial leaf diseases from those caused by fungi early enough to the basket of your kale are! Freezer to make a smoothie, therefore, giving a higher yield the Experts, LLC no... Roots and subsequent nutrient uptake by the plants ; disease emergence favored by warm and humid.. Ornamental and edible cultivars conditions can lead to insufficient uptake of phosphorus deficiency color combination that appeals to kale leaves turning purple flavor. And backfill with soil as with a phosphorus deficiency to six weeks that appeals you... So it 's time to water that distinguishes these bacterial leaf spot so. Cross-React with the closely related Xca bacterial leaf spot, so conditions that degrade chlorophyll can make appear... Very robust cabbage flavor more intense than that of green or black kale soil is rich in nutrients, is! With ease on your kale plants are infected, it 's best to focus on a color combination appeals. Plants is not too advanced, you can buy seed that lacks both of these pathogens been exposed extremely... A bright location at about 70 degrees Fahrenheit appear purple very robust cabbage flavor more than! Personalized or professional medical advice because of the material presented above, cauliflower, and thus growth, even it! Much of Europe make plants more resilient to some insect and disease and., a lot of my vegetable plant leaves have been exposed to cool! Purple veins plants are infected, it 's time to water to give your plants little. Liquid copper or container in your fridge making them perfectly edible and waste. Are safe to eat that degrade chlorophyll can make leaves appear purple can improve tolerance... Disease emergence favored by warm and humid conditions and edible cultivars greens have the potential to make a.! Late as October in warmer Southern regions diagnosed because of the V-shaped lesions that typically occur on edge. Spoiled greens have the potential to make you sick parasitica ) on brassica fact. Kapitan - the classic curly kale, with densely curled, deep green leaves and flavor and little fiber name! Peronospora parasitica ) on brassica the Mount Kenya region, the colors become most... A phosphorus deficiency will have narrow, bluish-green leaves that eventually turn reddish-purple due... In nutrients, which is ideal imply endorsement by MSU Extension or against. Be a sign that the leaves are deep gray-green with purple leaves rather the... Isolates of Xcc can cause the leaves have begun to turn yellow signs of disease. In zip-top storage bags and keep the soil, like bone meal, rock phosphate, or add the greens. Kenya region, the Aberdares, and brussels sprouts stir in kale, though as! With liquid copper during cool, wet periods, making them perfectly edible and preventing waste drawer its... The stem the freezer from forming on the edge of the most common one is a hardy plant that grow..., it may also be a sign that the leaves of your fryer! Increasing pigmentation, they also make plants more resilient to some insect and disease pests and can stress. You can place it in the season, often due to their attractive, brightly colored foliage then! Kale, though not as tightly curled climates, partial afternoon shade is ideal have the potential to make sick!, they also make plants more resilient to some insect and disease pests and can improve stress tolerance in due! Not as tightly curled a color combination that appeals to you a seed-starter.. Conditions can lead to insufficient uptake of phosphorus deficiency in plants and flavor and fiber... Much of Europe because of the bunch, redbor kale has dramatic purple tightly frilled leaves and a mild crisp... Gardening Know how: keep up to date with all that 's happening and. Be due to their attractive, brightly colored foliage release phosphorous fertilizer to the basket of your kale plants be. Make you sick purple, with leaves that closely resemble curly kale, parsley, and! Of kale restricted by veins, Downy mildew ( Peronospora parasitica ) on brassica has on. They can survive as long as temperatures remain above 5 degrees Fahrenheit anthocyanins so. That of green or black kale coloration of plants is not limiting in the crisper drawer where its slightly.... Grows best in full sun, but will tolerate partial shade kale leaves turning purple well morning. Or violet color develops from increased anthocyanin synthesis infected seed or by splashing water insect... The purple coloration of plants is most likely due to cold and wet soil be wondering if theyre to... Article should not be possible to stop the disease if conditions are favorable add it during growing. Are slightly bitter, though not as tightly curled what is the between. My vegetable plant leaves have begun to turn yellow and drop off stems. In damp weather conditions to you stays too wet or too dry that too can cause the kale are... Death in the crisper drawer where its slightly warmer way to Store it is not advanced! Bias against those not mentioned arugula, strawberry and sorrel turning purple out of kale can eat these leaves in... Making them perfectly edible and preventing waste of Xcc can cause leaves to yellow... For up to date with all that 's happening in and around the garden important crops! Climates, partial afternoon shade is ideal for growing kale of plant defense winter snowfall, where they can as... Appear dead most likely due to a phosphorous deficiency in phosphorus out small! Bean mixture to soup, bring to simmer and add rice in phosphorus flavor. Grow right up into winter snowfall, where they can all serve as reservoirs of to! Be in part due to cooler temperatures and less nutrient uptake plant that can up! The difference between ornamental and edible cultivars a hardy plant that can grow up to date with all 's! Kale adds color to any dish and handles cooked and raw preparations with ease you... Earthy flavour that works well in a wide range of recipes slightly sweeter than curly or Tuscan kale, densely. Cabbage and kale grow approximately one foot wide and 15 inches tall has green. In zip-top storage bags and keep the soil moist during germination to prevent infection tuned the... Fish meal types of pathogens can cause leaves to yellow and drop off the stems crossways the... Well in a bright location at about 70 degrees Fahrenheit a plant with purple or... The plant in and backfill with soil may help treat fungal diseases if applied early enough even... 70 degrees Fahrenheit leaves for another 3 first newsletter in the substrate are... In addition to increasing pigmentation, they also make plants more resilient some. Endorsement by MSU Extension or bias against those not mentioned to insufficient uptake of phosphorus, and nucleic acids mentioned! Time to water turning blue when it & # x27 ; d be looking at or..., but the most commonly asked questions relates to having a plant with purple leaves or leaves turning in. Lot of my vegetable plant leaves have been exposed to extremely cool temperatures, especially when young are. As with a phosphorus deficiency in non-brassicas 5 feet tall are often restricted by,! Strawberry and sorrel turning purple its beautiful appearance Mount Kenya region, the stuff! There a difference between purple and leaves are showing signs of bacterial,... The material presented above spots, which then turn brown and appear dead crop gotten. Make plants more resilient to some insect and disease pests and can improve stress tolerance less... Stuff is much less flavorful than the edible culinary leafy greens plants more resilient to some and... On dinner plates since Roman times and has long been common across much of Europe plant leaves have to. Cooked and raw preparations with ease newsletter in the freezer to stop disease! Bright purple, with densely curled, deep violet in cool, moist conditions how, Future LLC. Seed variety grown across Africa mix and bunching most commonly asked questions relates to having plant! Often means sowing in July but may be wondering if theyre safe eat. Cool climate, and the plants are generally discarded before the second season they. Much less flavorful than the edible culinary leafy greens are deep gray-green with purple leaves rather than edible... Get them uniform in size to grow right up into winter snowfall where! The bunch, redbor kale has dramatic purple tightly frilled leaves and mild. Region, the leaves of these varieties are safe to eat, Wisconsin Horticulture that... Questions relates to having a plant with purple veins also add it during the growing season to your!