Rudolph

Family: Brassicaceae Vegetable

A whisper of winter-to-spring magic: Rudolph’s purple sprouting broccoli forms tender, jewel-toned shoots that emerge with a vivid, wine-dark cast and a sweet, green depth.

The texture is crisp-tender and finely branched, with a delicate bite that stays pleasantly lively even as the plants mature. Ideal for early-season harvests and for turning into vibrant spring greens—at their best when you want color, freshness, and a graceful, leafy centerpiece in the garden.

Light: Full SunMaturity: 55 DaysHabit: Rosette

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)	75
Min Soil Temp (°F)	45
Min Night Temp (°F)	30
Harden Off (days)	6

Culinary Notes

Chef's Note

Rudolph’s purple sprouting heads are at their best when you respect the bite—quick heat keeps that crisp-tender, finely branched structure while the color turns jewel-bright, not dull. Use restrained seasoning (acid + fat) so the mild peppery edge stays clean rather than turning sulfurous.

Best Uses

quick-steam and toss with butter for jewel-bright side dishes
blanch-to-finish: preserve color, then fold into pasta with a thin emulsified sauce
roast the young shoots at high heat for caramelized tips and a firmer crunch
dress lightly with lemony vinaigrette and flaky salt to spotlight its crisp-tender texture

Flavor Profile

sweet, green brassica flavor crisp-tender snap with a delicate, finely branched bite mild bitterness with a gentle peppery edge wine-dark visual sweetness that reads earthy-green when cooked

Kitchen Pairings

lemon Parmesan olive oil butter white wine vinegar mustard

Frequently Asked Questions

How do I manage cabbage worms or aphids on Purple Sprouting Broccoli (Brassica oleracea var. italica) like ‘Rudolph’ during the growing period?

Check weekly for green caterpillars (cabbage worms/loopers) and aphid clusters on the underside of leaves. Remove small caterpillars by hand, then use a fine mesh netting over the plants to prevent egg-laying; if damage is spreading, apply an organic Bt spray labeled for cabbage worms and reapply after heavy rain. For aphids, blast them off with a firm water spray and spot-treat with insecticidal soap, avoiding sprays in full midday sun.

What watering schedule and soil moisture level should I maintain for Brassica oleracea var. italica while it’s actively forming shoots (around the first half to two-thirds of growth)?

Keep the soil evenly moist from transplanting through active shoot development—aim for consistently damp soil 2–3 in (5–7 cm) down, not soggy. Water deeply about 2–3 times per week in warm weather, or more often if the top inch dries out quickly; in cool seasons, reduce frequency but never allow the root zone to fully dry. Mulch helps stabilize moisture so the plants keep growing steadily and don’t develop stressed, loose shoots.

When is ‘Rudolph’ Purple Sprouting Broccoli ready to harvest, and what should I look for on the heads?

Harvest when the tight, purple-tinged side shoots reach about 3–5 in (8–12 cm) long and the florets are still compact (before they start to open into yellow flowers). Cut individual shoots cleanly just below where the shoot emerges, then the plant should continue producing more shoots over the cool season. If you see loosened heads or flower color opening, harvest immediately and prioritize the opened/near-open shoots first.