Jade Cross Brussels Sprouts (F1 Hybrid 107 Days)
1959 All-America Selections Winner, about 2 1/2’ tall at maturity. Sprouts are borne all the way up the stalk and are good sized. The flavor is excellent and the yield very abundant. The Jade Cross Brussels Sprouts are rated one of the dozen top vegetable introductions by a panel of experts.
Brassica oleracea var. gemmifera
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 18-24" apart.
Sowing Outdoors: Around the last frost date when the soil temperature reaches at least 60-65ºF. Sow 2-3 seeds every 18-24” apart. Thin to the strongest seedling per space.
How much does a packet plant: 20-25 foot single row
Harvest: Start picking from bottom up, when they are firm and 1” across, cutting off the leaf below the sprout. To harvest all the sprouts at once cut off the top of the stalk 4-6 weeks before you want to harvest or when lower sprouts reach 1/2” in size. The best and sweetest Brussels sprouts are harvested after going through a few frosts.
Tips: Provide Jade Cross Brussels Sprouts with fertile soil, rich in organic matter from the very beginning of its growth in the garden. Amend with compost if the soil is not fertile. Give adequate, even moisture for the best growth. Mulching helps retain moisture.