Some differences between annual sunflowers (Helianthus annuus) and perennial sunflowers (Helianthus multiflorus) include:Seed heads – Annual sunflowers can have either large or small seed heads, but perennial sunflowers have only small seed heads. To cold stratify the seeds indoors, start about 8-10 weeks before your spring frost date. The "Lemon Queen" sunflower (Helianthus "Lemon Queen") is a perennial member of the sunflower family that boasts pale lemon-yellow flowers with chocolate brown centers. Maximilian gives you the iconic color of Sunflowers but is a perennial, blooming year after year. Perennial Oilseeds. Shop a huge online selection at eBay.com. Do other perennials require this treatment to germinate, Well, yes, here is a list. Harris Seeds is a privately owned seed company with a long tradition of supplying the finest vegetable seeds, flower seeds, plants and supplies to growers and gardeners since 1879. Perennials are plants that live longer than two years and flower each year after reaching maturity. Perennial Lupine Seeds Perennial Lupine Lupinus perennis. Our range of sunflowers will grow between 45cm and 3m tall - choose 'Dwarf yellow spray' for smaller plants, or go for structural impact … Sow perennial sunflower seeds either in the fall or in the spring after the last frost. As low as $15.95 Sale $15.16. The Harris Seeds team includes local growers and garden enthusiasts, whose invaluable knowledge and expertise allow us to better serve you. Sunflower (Helianthus) is a large group of sun-loving lants with bright yellow petals that radiate from a dark brown center. Poppy Seeds 40+ Varieties Zinnia Seeds 50+ Varieties Sunflower Seeds 40+ Varieties Morning Glory Seeds 30 Varieties Lupine Seeds 15+ Varieties. Find sunflower seeds to grow annual and perennial varieties in a range of colours, including claret red, green and white. (Get seeds here.) As low as $19.95 Sale $18.96. Perennial flower seeds create season after season of easy, reliable beauty. Planting sunflowers makes you popular with pollinators and birds alike. Wildflower Seed Mixes ... All-Perennial Wildflower Mix 15 Varieties "Burst of Bloom" Wildflower Mix 20 Annual & Perennial Varieties Deer-Resistant Wildflower Mix 13 Annual & Perennial … Per 1/4 Pound. Plant the seeds after all danger of frost has passed. Some perennials are evergreen, and will be attractive throughout the year. In terms of "flowers", we think of perennials as non-woody plants that flower, die back and go dormant through the winter, and then reappear and flower again the following year. The seeds require sun to germinate, plant them over a layer of compost dug into the soil and water. If sowing in the spring, the seeds must first be cold stratified, which means they need a period of cold to germinate. Lemon Queen Sunflower Seeds. Old-Time Perennial Flower Seeds. Fast & Free shipping on many items! You should see sprouts in about two weeks. Silphium integrifolium is a perennial plant in the sunflower family native to the Great Plains and other parts of North America.. Shop great deals on Sunflower Perennial Seeds & Bulbs. Most perennial flowers will lose their top growth in winter and regrow in spring. ; Blooms – Annual sunflowers will bloom the first year after being planted from seeds, but perennial sunflowers grown from seed … This variety illuminates … Biennial flowers from seed complete their life cycle in two years, building strong plants the first … The Land Institute is domesticating silphium, which has the potential to be at least as productive as the oilseed sunflower in favorable environments. Get outdoors for some landscaping or spruce up your garden! ... Maximilian Sunflower Seeds Maximilian Sunflower Helianthus maximiliani. 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