Sunburst (F1)

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Growing Information:

Summer

CULTURE: Fertile, composted, well-drained soil is best. DIRECT SEEDING: Sow beginning in late spring after danger of frost, when soil temp. is minimum 62°F (17°C) for treated seeds and 70°F (21°C) for untreated seeds. Seeds will rot in cool soil, especially cool, wet soil! Sow 2-3 seeds every 9-12" (thin to 1 plant), 1/2-1" deep; or sow about 4" apart (thin to 1 plant/ft.), rows 5-6' apart. ROW COVERS: AG-19 (heavier grade) floating row covers will provide about 4° of frost protection, and add warmth for vigor and earlier harvest. DISEASES: If the first few fruits wither, blacken, and/or fail to enlarge, it indicates absence of pollination, remedied when male blossoms appear and provide pollen. Virus diseases tend to be cyclic; watch for resistant varieties. Downy mildew may occur in cool, damp weather, powdery mildew in hot, droughty periods and in the fall. Till in the vines before winter or remove and compost mildewed plants. Copper fungicides offer some control. INSECT PESTS: Protect young plants with floating row covers (see Index). Cucumber beetles, squash bugs, and vine borers can be a challenge. Rotenone and pyrethrin offer some control. Squash bug eggs laid on underside of leaves may be located and crushed. Keep borders well mowed. For vine borers, use rotenone around the base of young plants. Cut borers out of vines and hill soil over the wound. Clean up refuse in the fall, and spring-plow the ground to bury the pupae. HARVEST: Sow every 2-3 weeks for consistent supply. Cut or twist off young fruit at a size fitting market requirements. Avoid scratching fruits. Harvest regularly, 2-3 times a week depending on age of plants and growing weather. STORAGE: Refrigerate at 32-50°F and high humidity to store 1-2 weeks. DAYS TO MATURITY: From direct seeding; subtract about 14 days if transplanting. AVG. DIRECT SEEDING RATE: (at 3 seeds/ft., rows 6' apart)-Zucchini: 62'/oz., 1,000'/lb., 7 1/4 lbs./acre. Yellow Summer: 93'/oz., 1,500'/lb., 5 lbs./acre. Patty Pan: 100'/oz., 1,600'/lb., 4 1/2 lbs./acre. TRANSPLANTS: Figure rates from seed counts. SEED SPECS: SEEDS/LB.: Zucchini: 2,500-4,200 (avg. 3,000); Yellow Summer: 4,200-6,000 (avg. 4,500); Patty Pan: 4,200-5,700 (avg. 4,800). PACKET: Avg. 30 seeds.

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AAS Winners Awarded to vegetable, flower and herb varieties from around the world. Winners are chosen based on scores received from judges at 34 sites in the U.S. and Canada. Johnny's is proud to be an official flower trials site for AAS.