Black Magic Kale Growing Tool

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Direct Sow

Harvest

Start Indoors

Transplant

Direct Sow

Harvest

Showing dates for Black Magic Kale in USDA Zone 7

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Zone Map

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Black Magic Kale · Zones 2–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing12-18 inches

SoilRich, well-drained soil with high organic matter

pH6.0-7.5

Water1 inch per week, consistent moisture

SeasonCool season

FlavorSweet, mild, and tender with a slight peppery finish

ColorDark blue-green with purple undertones

Size10-12 inch leaves

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	March – July	April – August	April – June	June – October
Zone 4	March – July	April – August	April – June	June – November
Zone 5	March – July	April – August	April – July	June – November
Zone 6	February – July	March – August	March – July	May – November
Zone 7	February – August	March – September	March – July	May – December
Zone 8	January – September	February – October	February – August	April – December
Zone 9	January – October	February – November	January – September	March – December
Zone 10	January – October	January – November	January – October	March – December

Complete Growing Guide

Start your Black Magic Kale journey by preparing a site with rich, well-draining soil amended with 2-3 inches of compost or aged manure. This hybrid thrives in slightly alkaline conditions (pH 6.0-7.5), so test your soil and add lime if needed several weeks before planting.

For spring crops, direct sow seeds ¼ inch deep, 2-3 weeks before your last frost when soil temperature reaches 45°F. Space seeds 2 inches apart in rows 18-24 inches wide. In zones 7-9, you can succession plant every 2-3 weeks through early summer. For earlier harvests, start seeds indoors 4-6 weeks before transplanting, using cell trays to minimize root disturbance.

Transplant seedlings when they have 3-4 true leaves, spacing them 12-18 inches apart. Water transplants with diluted fish emulsion to reduce shock. The key to tender, sweet leaves is consistent moisture – aim for 1-1.5 inches weekly, using drip irrigation or soaker hoses to keep foliage dry.

Feed your Black Magic Kale with balanced fertilizer (10-10-10) at planting, then side-dress with nitrogen-rich amendments like blood meal every 3-4 weeks during active growth. In hot climates, provide afternoon shade using row covers or companion planting with taller vegetables.

Avoid the common mistake of overcrowding – good air circulation prevents fungal issues. Mulch around plants with 2-3 inches of straw or shredded leaves to maintain soil moisture and suppress weeds. For fall crops (often the sweetest), calculate backward from your first frost date and sow 12-14 weeks prior for full-sized heads.

Harvesting

Begin harvesting Black Magic Kale when leaves reach 4-6 inches long, typically 55-65 days from sowing. Look for the characteristic deep blue-green color with pronounced savoying (ruffled texture) – immature leaves appear flatter and lighter green. The sweetest harvest comes after the first light frost, when starches convert to sugars.

Use the "cut-and-come-again" method by harvesting outer leaves first, leaving the central growing point intact. Cut stems cleanly with sharp scissors or pruning shears about 1 inch from the base. Harvest in early morning when leaves are crisp and full of moisture, avoiding the heat of midday which can cause wilting.

Leaves should snap crisply when bent – if they bend without breaking, they're past prime tenderness. You can continue harvesting for 3-4 months by taking only what you need while allowing the center to keep producing. Stop harvesting if the plant begins to bolt (flower), as leaves become bitter and tough.

Storage & Preservation

Store freshly harvested Black Magic Kale in the refrigerator crisper drawer, unwashed, in perforated plastic bags to maintain humidity while preventing condensation. Properly stored leaves stay fresh for 7-10 days, though they're best used within 3-5 days for optimal flavor and nutrition.

For freezing, blanch clean leaves in boiling water for 2-3 minutes, shock in ice water, drain thoroughly, and freeze in airtight containers for up to 8 months. Black Magic Kale also dehydrates beautifully – massage leaves with olive oil and sea salt, then dehydrate at 115°F for 6-8 hours for homemade kale chips.

Fermentation works exceptionally well with this variety's sturdy leaves. Massage chopped kale with salt (3 tablespoons per 5 pounds) until it releases juices, then pack tightly in jars for lacto-fermented kale that keeps for months in the refrigerator.

History & Origin

Black Magic Kale represents modern breeding excellence, developed in the early 2000s through selective hybridization programs focused on combining ornamental beauty with culinary quality. This hybrid was specifically bred to address home gardeners' desire for kale varieties that could serve dual purposes in both vegetable and ornamental gardens.

The variety emerged from crosses between traditional European kale cultivars and newer Asian varieties, incorporating genes for enhanced cold tolerance and the distinctive deep blue-green coloration. Plant breeders selected for the deeply savoyed leaf characteristic, which not only provides visual appeal but also creates more surface area for enhanced flavor development.

Black Magic gained popularity during the kale renaissance of the 2010s, when home gardeners and chefs began demanding varieties that offered both exceptional taste and visual impact. Unlike heirloom varieties that evolved through centuries of selection, Black Magic was purpose-built for modern gardens, combining disease resistance with consistent performance across diverse growing conditions.

Advantages

+Exceptional cold tolerance improves flavor quality after frost exposure
+Deeply savoyed leaves hold dressings and seasonings better than flat varieties
+Strong disease resistance to downy mildew and black rot reduces crop losses
+Dual-purpose variety works equally well in ornamental and vegetable gardens
+Extended harvest window of 3-4 months from single planting
+Consistent hybrid vigor produces uniform plant size and leaf quality
+Sweet, mild flavor appeals to kale newcomers and children

Considerations

-Higher seed cost compared to open-pollinated varieties due to hybrid nature
-Cannot save seeds for replanting – must purchase new seeds each season
-Requires consistent watering schedule or leaves become tough and bitter
-Bolts quickly in temperatures above 80°F without adequate shade protection
-Deeply ruffled leaves trap dirt and debris, requiring thorough washing

Companion Plants

Plant Together

Nasturtiums

Trap crop for aphids and flea beetles, deters cabbage worms

Dill

Attracts beneficial wasps that parasitize cabbage worms and aphids

Onions

Repels cabbage maggots, aphids, and other brassica pests with strong scent

Garlic

Deters aphids, cabbage loopers, and flea beetles with sulfur compounds

Marigolds

Repel nematodes and various pests, may reduce whitefly populations

Lettuce

Grows well in kale's partial shade, efficient use of garden space

Carrots

Different root depths prevent competition, carrots loosen soil for kale

Thyme

Repels cabbage worms and flea beetles, attracts beneficial insects

Keep Apart

Tomatoes

Compete for similar nutrients, may stunt kale growth and reduce yields

Strawberries

Kale can inhibit strawberry growth and fruit production

Pole Beans

May shade kale excessively and compete for nitrogen in soil

Pests & Disease Resistance

Resistance

Good resistance to downy mildew and black rot

Common Pests

Cabbage worms, aphids, flea beetles, cabbage loopers

Diseases

Clubroot, black leg, white rust, downy mildew

Frequently Asked Questions

How long does Black Magic Kale take to grow?▼

Black Magic Kale matures in 55-65 days from seed to first harvest. You can begin picking baby leaves at 30-40 days for salads. The sweetest, most tender leaves develop after light frost exposure, making fall-grown crops particularly flavorful. With proper care, a single planting provides continuous harvests for 3-4 months.

Can you grow Black Magic Kale in containers?▼

Absolutely! Black Magic Kale thrives in containers at least 12 inches deep and wide. Use quality potting mix amended with compost, and ensure adequate drainage. Container plants need more frequent watering and feeding than garden-grown kale. Choose containers with wheels for easy repositioning during hot weather, as potted kale benefits from afternoon shade in summer.

Is Black Magic Kale good for beginners?▼

Yes, Black Magic Kale is excellent for beginning gardeners. It's remarkably forgiving, tolerates cool weather, and has good disease resistance. The hybrid vigor ensures consistent results even with less-than-perfect growing conditions. New gardeners appreciate its clear visual cues for harvest readiness and the extended picking season that forgives timing mistakes.

What does Black Magic Kale taste like compared to other kales?▼

Black Magic Kale offers a sweet, mild flavor with subtle peppery notes – much less bitter than traditional curly kales like Winterbor. The texture is tender yet substantial, similar to Lacinato kale but with more pronounced ruffles. After frost, the leaves develop notable sweetness rivaling spinach, making this variety ideal for raw applications and smoothies.

When should I plant Black Magic Kale for fall harvest?▼

Plant Black Magic Kale 12-14 weeks before your first expected fall frost for full-sized heads. In most regions, this means sowing in mid-July through early August. Fall-grown kale tastes significantly sweeter than spring crops because cool weather concentrates sugars. Start checking local frost dates and count backward for optimal timing in your area.

How do you prevent cabbage worms on Black Magic Kale?▼

Prevent cabbage worms using floating row covers during peak butterfly activity (late spring/early summer). For organic control, spray with Bt (Bacillus thuringiensis) every 7-10 days when you spot small green caterpillars. Hand-picking works well for light infestations. The deeply savoyed leaves can hide pests, so inspect undersides weekly and look for small holes as early warning signs.