Burpee Mammoth Russian Sunflower Seeds 200 seeds Description This towering heirloom is one of the oldest, most beloved sunflower varieties. Sky-high 9-12' tall 'Mammoth' plants with massive stalks and huge bright- yellow heads attract bees, butterflies and other pollinators. Ideal for competition at fairs! Seed packet contains 200 sunflower seeds. Plant seeds outdoors 4 weeks after the average last frost date in your area and expect blooms in about 85 days. 'Mammoth' has proven ultra reliable for performance and adaptability in home gardens; prefers full sun and plenty of space to grow. Thin-shelled, striped seeds are plump, meaty and very plentiful. 100% GUARANTEED: Burpee offers the highest quality, non-GMO seeds hand-picked by expert horticulturalists for growing in the home garden. Our germination rates are 35% higher than industry standards. We treat each order with care to ensure healthy seeds, plants and gardening supplies are packaged and sent in excellent condition. If you are unsatisfied with your purchase, we aim to make it right! Features: Huge heads are ideal for competition at fairs Each packet contains 200 seeds Sow outdoors 4 weeks after the average last frost date and have blooms in 85 days Plant Height is 108". plant spread is 36". blooms are 12" Annual for all growing zones from 1-11. Sunlight exposure = full-sun Get your seeds off to a great start with a Burpee Seed Starting Kit Burpee, the gardeners best friend since 1876. Beautiful plants and everything else you need to grow the garden of your dreams from Americas most trusted seed company. No GMOs, ever. Product Details: Plant or Animal Product Type: Flower Indoor/Outdoor Usage: Outdoor Brand: Burpee Material Feature: GMO Free, Heirloom Color: Mammoth Russian Special Feature: Certified Seeds, Organic Seeds, Non-GMO, Heirloom Seeds Sunlight Exposure: Full Sun Unit Count: 200.0 Count Expected Planting Period: Spring to Summer Product Care Instructions: Keep plants well-watered during the growing season, especially during dry spells. Plants need about 1-2 inches of rain per week during the growing season. Use a rain gauge to check to see if you need to add water. It's best to water with a drip or trickle system that delivers water at low pressure at the soil level. If you water with overhead sprinklers, water early in the day so the foliage has time to dry off before evening, to minimize disease problems. Keep the soil moist but not saturated. See more Plant or Animal Product Type: Flower Indoor/Outdoor Usage: Outdoor Brand: Burpee Material Feature: GMO Free, Heirloom Color: Mammoth Russian Special Feature: Certified Seeds, Organic Seeds, Non-GMO, Heirloom Seeds Sunlight Exposure: Full Sun Unit Count: 200.0 Count Expected Planting Period: Spring to Summer Product Care Instructions: Keep plants well-watered during the growing season, especially during dry spells. Plants need about 1-2 inches of rain per week during the growing season. Use a rain gauge to check to see if you need to add water. It's best to water with a drip or trickle system that delivers water at low pressure at the soil level. If you water with overhead sprinklers, water early in the day so the foliage has time to dry off before evening, to minimize disease problems. Keep the soil moist but not saturated. USDA Hardiness Zone: 9 Moisture Needs: Regular Watering Number of Pieces: 200 Product Dimensions: 3.25 x 0.06 x 4.5 inches Item Weight: 0.634 ounces Manufacturer: Burpee Country of Origin: USA Item model number: Mammoth Sunflower Seeds