Imperial Broccoli (F1 Hybrid 70 Days)

A variety for mid to late summer harvest, performing best with a long day length that is accompanied with moderate heat. A dependable choice for growing in the northeastern summers. Domed heads are dark green with small beads and have an excellent post-harvest shelf life. Handles heat stress well.

30 seeds

PLANTING

Brassica oleracea

Germination: 3-10 days

Germination Temperature: Optimum soil temperatures 65-85ºF.

Seed Sowing Depth: 1/4” deep

Starting Indoors: 4-6 weeks before the last frost. Sow 2-3 seeds per cell/pot. Thin to the strongest seedling. Fertilize the seedlings every 7-10 days with a liquid or water-soluble fertilizer, diluted to ¼ of the suggested measurement. Transplant a week or two before the last frost. Space 12-18" apart. Sow in early to midsummer for fall crops. 

Sowing Outdoors: Spring when the soil temperature reaches at least 55ºF. Sow 2-3 seeds every 12-18” apart. Thin to the strongest seedling per space. Sow in midsummer for fall crops. Germination is slower at lower soil temperatures.

Harvest: Pick when heads are tight before flower buds start to open. For varieties that produce side shoots keep picked for a longer production

Tips: Provide fertile soil, rich in organic matter from the very beginning of its growth in the garden. Give adequate, even moisture for the best growth. Mulching helps retain moisture.