Improved Dwarf Siberian

Family: Brassicaceae Vegetable

Feel the crisp, cool snap of Improved Dwarf Siberian kale—tender yet substantial leaves with a clean, sweet-green flavor that deepens beautifully as the weather turns.

Compact plants form a dense rosette of finely textured, ruffled foliage, making it easy to grow and satisfying to harvest repeatedly. Ideal for hearty bunches in fresh salads, vibrant sautés, and robust winter-style dishes, this dependable variety shines when you want flavor that stays bold and leaves that hold their character.

Light: Full SunMaturity: 55 DaysHabit: Rosette

Botanical illustration of Improved Dwarf Siberian

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Mar 28th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 25th
Harvest Begins	Jun 19th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	55
Sun Requirements	Full Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	45
Min Soil Temp (°F)	40
Min Night Temp (°F)	28
Harden Off (days)	6

Culinary Notes

Chef's Note

Improved Dwarf Siberian kale eats like a well-behaved brassica: sweet-green up front, then a clean peppery bite, and—crucially—its ruffles keep a pleasant chew in heat. It’s the kind of leaf that stays lively in winter-style bowls without collapsing, so you can go from raw crunch to sautéed sheen in the same day.

Best Uses

quick sauté with a glossy finish—stop before it turns dull and mushy
massaged raw salad leaves under a bright vinaigrette
braise or simmer into thick soups and bean stews for a leaf that stays springy
crispy oven chips—thin ruffle edges that shatter

Flavor Profile

cool-snap sweetness tender-but-substantial chew clean, slightly peppery brassica bite holds texture without getting waterlogged

Kitchen Pairings

lemon olive oil parmesan white beans anchovy tahini

Frequently Asked Questions

What pest is most likely on Brassica oleracea (dwarf Siberian kale), and how do I control it?

A common problem is cabbage worms/loopers (often seen as chewing holes and frass on leaves). Inspect plants 2–3 times per week and remove affected leaves early, then hand-pick caterpillars; for protection, cover seedlings with fine insect netting so the butterflies/moths can’t lay eggs.

How often should I water Brassica oleracea during the main growing period?

Keep soil consistently moist but not soggy during the 45–55 day growth period; aim for even moisture so leaves form without stress. Water deeply when the top 1 inch of soil feels dry, usually about 1–2 times per week depending on heat and wind, and avoid letting the soil repeatedly dry out and re-wet.

When is Brassica oleracea ready to harvest (Improved Dwarf Siberian kale)?

Harvest at about 50–60 days when leaves are firm and fully sized for the compact plant, typically the lower leaves first. Pick leaves with a size you can use right away and leave the growing tip intact for continued leaf production.