Heirloom Kabocha Winter Squash Pumpkin Seeds Japanese variety squash that has a nutty, earthy flavor with just a touch of sweetness. It's similar in shape and size to a buttercup squash, but the base points out and not in 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. Customer Service: Your success is our success. If you feel like you cannot leave us a 5 star rating or if you have any issues with your order, like damaged or wrong items etc...just send us a note and we'll promptly resolve the issue for you. Free Shipping: Seeds are packaged in a small poly bag. In an effort to keep costs low, and pass the savings onto you, we do not offer specific planting directions on seed packets. If you cannot locate planting instructions for your specific conditions, contact us and we'll do our best to instruct you on the proper methods. There is no tracking number for economy shipping. Economy shipping order usually takes 1-2 weeks to arrive depending on the state you live. If you want seeds to arrive faster and safely with the tracking, it is HIGHLY recommended to choose USPS Ground Advantage.