HeirloomSupplySuccess TM 20 Heirloom Black Beauty Zucchini Squash Seeds The classic dark-green summer squash that has made modern zucchini of this type popular. Introduced in the US markets in the 1920's. Zone 3-10. 90-120 days to maturity and harvest. Planting instructions ; In the Late Spring after the last frost warning: Sow the Seeds 1/4 to 1/2" deep into Seedbed freshly tilled and prepared with High Organic matter. Soil should be well drained and well situated for medium to full sunlight each Day. 100% Heirloom 100% Open Pollinated 100% Non-GMO 100% Non-Hybrid Bonus Sample pack of seeds with each pack of seeds purchased Genuine HeirloomSupplySuccess TM products may only be purchased from the Seller HeirloomSupplySuccess. All other claims to such are false, misleading replica of our authentic products. We do not and will not ever utilize a third party seller to market or sell our Genuine products.