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Guide to Cool Season Veggies at Painters Greenhouse

  • Writer: Painters Greenhouse
    Painters Greenhouse
  • Mar 14, 2023
  • 7 min read

Updated: Mar 24


Rows of vibrant leafy greens and purple kale at Painters Greenhouse, with wooden benches in the blurred background, creating a lush, fresh scene.

Like many gardeners in winter, we also daydream of various crops we’ll grow for the coming season. At Painters we spend the off-season researching vegetable varieties that perform well in our area. We gather feedback from customers and employees and research to find varieties bred to be adapted to the climate, soil, and pest/disease pressures of our area. To match our extensive research, we include detailed signage with information for each variety we offer (a big thanks to Nora for her hard work with that!).

This week we are highlighting all of our cool-season veggies. When our doors opened the first week of March we made sure to have our whole selection of early season veggie starts available to customers. Many gardeners plant these veggies before March even, and that’s a good call! When the weather starts warming, many of these won't perform their best.

Our starts are mature enough to be transplanted directly into your garden–we've grown them to a healthy (and beautiful!) size. We try to select short-season or early maturing varieties of cool-season crops to help customers reap a bounty within the small window we have between now and summer. We also try to select varieties that can withstand warmer temperatures and are slow to bolt. All of these plants are grown in 3.5” pots, 18 pots to a flat, and priced to move--we often feature specials on veggies by the flat, so make sure to check out our New this Week page to view the latest price updates.


Map of North Carolina showing average last spring freeze dates. Color-coded dots represent dates from before Mar 11 to after Apr 30.

As Winter mellows into Spring, don’t be fooled that the cold is totally gone. We are still susceptible to frost ± 10 days from April 13th. This week is certainly showing us that the cold nights aren't gone yet! Check your average last (and first) frost days in your area here: https://products.climate.ncsu.edu/freeze/map.php. We plan to have our warm-season vegetable starts available for sale closer to mid-April (plants like tomatoes, peppers, eggplants and cucumber), but check out our Edibles page for our full growing projections.

Now onto the greens!

BRASSICAS

Also considered members of the cabbage family, this includes some of the most widely cultivated (and often most nutritious) vegetables throughout the world. Plants in the Brassica family love temperate weather, thrive in well-drained, nutrient-rich soil, and love a healthy dose of nitrogen.


Bok choy seedlings in black trays with yellow labels, basking in sunlight at Painters Greenhouse in Old Fort, NC. Lush green leaves stand out against a blurred garden background.

Bok Choy ‘Joi Choi’ – F1*

A vigorous, white-stemmed bok choy (or pak choi) that grows up to 15” tall. Slow-bolting, and tolerant of both heat and cold makes it adaptable and easy to grow. An essential part of Chinese cuisine for thousands of years. Mild mustard flavor with a background sweetness – great steamed of stir-fried.


A hand holds a broccoli plant near a sign reading "Broccoli 'Imperial'" with growth details at Painters Greenhouse in Old Fort, NC. Green leaves and soil are visible.

Broccoli ‘Imperial’ – F1*

Head-forming broccoli. Excellent heat tolerance and continues to produce heads during longer days, making it suitable for summer harvesting. Harvest when heads are tight, before flower buds start to open. Stores well.


Young 'Jade Cross' Brussels sprout plants in black trays, labeled with tags, at Painters Greenhouse. The green leaves are lit by soft sunlight.

Brussels Sprout ‘Jade Cross’ – F1*

An All-American Selections winner. Uniform small sprouts (up to 1”) that taste delicious. Plants are compact (<30”). Brussels Sprouts are best planted in fall for a winter harvest (tastes better after a frost!), but they can also be grown in mild springs and benefit from moist, rich, cool soil.



Vibrant green Chinese cabbage leaves growing closely together under bright sunlight, showcasing healthy texture and freshness in an outdoor setting.

Chinese Cabbage ‘China Express’ – F1*

Napa type Chinese cabbage. Produces a barrel-shaped head averaging 3-5 lbs. with 10-12” diameter! Sweet, flavorful, and crisp - perfect for kimchi and stir fries. Resistant to mild frosts and disease, slow to bolt.

Cabbage ‘Ruby Perfection’ – F1*

Red/purple cabbage resistant to thrips and black rot. Heads grow to 6 lbs. and are ready to harvest in late summer. Full of anthocyanins and phenolics – good for your memory and immune system!

Cabbage ‘Stonehead’ – F1*

Grey-green round heads of smooth, tightly packed leaves growing up to 6” and 6lbs. Resistant to splitting, yellowing, and black rot. Widely considered to be the easiest cabbage to grow – great for slaws and sauerkraut!


Cauliflower, Romanesco ‘Veronica’ – F1*

As visually striking as it is tasty--perfect for lovers of both flavor and math. It is known for its striking, fractal-like heads with spiraling, chartreuse florets that form pointed, turreted spears. The heads continue to mature while outer spears are harvested. Also known as Fibonacci broccoli!

Cauliflower ‘Snow Crown’ – F1*

Snow white heads up to 8”. Matures quickly and ready for harvest in summer. This is the go-to variety for many gardeners as it’s vigorous and reliable. Sweet and mild – great raw, roasted or steamed!


Hand holding young collard plant in pot. Green leaves. Sign reads "Collards 'Flash'", detailing its traits. Sunny garden setting.

Collards ‘Flash’ – F1*

A dark green variety known for its vigor, dependability and high yield. Fast regrowth offers repeated harvests for gardeners. Mild and sweet, and even sweeter after a frost.


Kale ‘Toscano’

This Tuscan kale is an Italian heirloom. It’s also known as lacinato or dinosaur kale. Leaves are extra-dark green and savoyed. It is tolerant of heat and frost, grows up to 3’ tall and 2’ wide. Rich and tender, with a softer texture than curly kales.

Kale ‘Vates’

Also called Blue Scotch Curled Kale, delicious, dark green-blue, crinkled leaves are perfect for making kale chips, eaten raw, in salads or cooked in many different ways. Among the most nutrient-dense vegetables on the planet! Compact, slow-bolting, hardy in heat and cold (even frost tolerant).

Kale ‘Red Russian’

Silvery-green, oak-leaf shaped leaves with bright purple stems. Grows up to 3’ tall and remain tender when large. This type of kale is more tender, smooth and sweet than other kales – great in massaged salads!


Hand holding a kohlrabi plant in a greenhouse with a sign about "Kohlrabi 'Kossak'" detailing its size, taste, and growth features.

Kohlrabi ‘Kossak’ – F1*

Hybrid variety with massive bulbs–up to 10'' and 10 lbs–although best when harvested around 8.” These vegetables are excellent for storage. They are sweet and juicy, with no woodiness, even when bowling-ball sized! Delicious raw or in sautés and stir-fries; versatile and nutritious!


Purple and green leafy plants in a garden setting, with sunlight highlighting their texture. The mood is tranquil and vibrant.

Mustard ‘Miz America’ Mizuna – F1*

Deeply lobed, wine-colored leaves are tasty while also being ornamental (great for combo pots!). Leaves are crunchy with a mild mustardy flavor and can be eaten as baby greens or fully-developed leaves. Toss a small handful in with milder greens for a nice zest!

ALLIUMS

Latin for “garlic,” members of this family include onions, garlic, leeks, scallions, chives, and shallots.

Young onion plants in trays with soil and labels, in a greenhouse setting. Sunlit background, fresh and vibrant greenery.

Bunching Onion ‘White Lisbon’

The most popular variety of non-bulbing bunching onions since the 1700s! Tolerates both heat and cold and reliably thrives in a wide range of soils and conditions. Smooth, succulent stalks have a mild, zesty flavor.


Leek ‘King Richard’

Beautiful full-sized leeks with non-bulbing shafts up to 12”. This variety has a sweet, mild flavor excellent for soups, stews and salads – will be ready to harvest in summer.


GREENS

From fresh lettuces for salads, to spicy arugula and bright hints of rainbow chard, growing leafy greens in your garden is extremely rewarding!

Lettuce ‘Buttercrunch’

Small, loose heads of deep green, wavy leaves. Leaves have a velvety texture and sweet flavor. Harvest outer leaves first to encourage growth of inner leaves. Does great grown in containers.

Lettuce ‘Encore Mix’

 A mix of red and green lettuces varying in shape, color and texture. This mix includes Green Oakleaf, Red Oakleaf, Green Romaine, Red Romaine, Lollo Rossa, Redleaf, and Bibb lettuces. A great option for a diversity of greens. Suitable for outdoor production, in containers, or in the low-light conditions of hoop houses and greenhouses. A “cut and come again” technique of harvesting baby greens works for this lettuce, as most lettuces in the mix will regrow.


Lettuce ‘Lolla Rossa’

Heavily frilled leaves with dark red edges add fantastic texture and colors to salads. Harvest the outer leaves first to encourage growth of inner leaves.


Lettuce plants with green leaves in a garden. A sign labeled "Lettuce 'Parris Island'" describes the heirloom Romaine variety.

Lettuce ‘Parris Island’

An heirloom Romaine (aka Cos) lettuce with vase-shaped heads of dark green, tender leaves. Disease resistant, slow to bolt, and exceptionally nutritious. Named after Parris Island, a small island off the coast of South Carolina.


Lush green lettuce with a sign reading "Lettuce 'Salad Bowl Green'," describing its features and growing tips, in a sunny setting.

Lettuce ‘Salad Bowl Green’

Long frilly leaves are tender and flavorful, perfect for salads. Award-winning variety tolerant of heat, frost, and tip burn. Harvest the whole heads when large, or harvest outer leaves a bit at a time.




Close-up of vibrant Swiss chard seedlings in black trays, with sunlight illuminating the leaves in a greenhouse setting.

Swiss Chard ‘Bright Lights’ – F1*

Leafy green with brilliantly colored stems in shades of gold, pink, white, purple, orange and green. Sweet and delicious, harvest young for salads, or use larger leaves for stir-fries and sautés.

Arugula ‘Astro’

A peppery, nutty green that lends a punch of flavor to pizzas, salads, pesto, and pasta dishes. This variety is heat-tolerant and grows well in full sun. White-pink flowers are also edible and add a lovely garnish to salads or stir-fries.


Spinach ‘Bloomsdale’ (Savoy)


A tried and true heirloom variety, a favorite for over a hundred years. Thick, crinkled leaves stand upright which keeps the leaves clean, and harvesting is a breeze! Fast-growing and slow to bolt. Delicious raw or cooked.


SEEDS

Seed packets for melon, cucumber, mixed greens, and peas on leafy plants. "Sow True Seed" text, colorful illustrations, green background.

Some vegetables have sensitive roots and do not respond well to transplanting from a pot into the ground. Some examples are radishes, corn, peas, beans, squash, melon, cucumbers, okra, and others. We do plan to grow limited quantities of squash, melon, eggplants, cucumbers, and okra for customers, but we also offer Sow True Seed packets for the vegetables that do best by direct sowing. Supplies are limited.



*NOTE: F1/Hybrid Varieties:

F1 denotes a plant that is a first generation offspring of two individuals of two different plant varieties. These are more artificially-bred than plants that are grown from open-pollinated (OP) seeds. F1 hybrids are usually bred to create a plant with particular traits to cater to a specific desire (i.e. disease resistance, fruit/flower color, sweetness, dwarf form/habit, larger fruit, etc.). If you allow F1 varieties to produce seed the plants from these seeds will not be true to the parent plant. The debate of F1 vs OP is heated. We understand, as a greenhouse, the importance of heirloom or open-pollinated varieties to allow customers to produce one’s own seed supply with diverse genetics. We also want to serve our customers' desires, and we find that many are looking for popular hybrid varieties that have become a staple in many home gardens.  



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