If growth slows in mid-summer due to heat, shear plants back by half to encourage compact growth and a second bloom. Cultivation Advice Alyssum Carpet of Snow. Quantity. Alyssum can make a pretty border, brighten rock gardens and containers, and is also a useful cover crop. Planting Period. Set the alyssum in pots near a sunny window with western or eastern exposure where temperatures stay around 65 to 70 degrees Fahrenheit, recommends Cornell University. Alyssum is an easy-to-grow annual that is both decorative and useful. Sow several seeds per cell or pot. Plant Height: 4-6 inches. Farmer Sweet Alyssum is a delicate carpet of tiny flowers with a subtle, sweet scent. Non-Profit. It is tolerant of dry soil, and can be used for xeriscaping. The seeds will germinate quickly and reach flowering size in a couple of years. Quick Order Form. Call 0333 777 3936. Habit: Compact, Ground Cover. : 68-72°F; 2-3 days Multiple sow raw seed, single sow multi-seed pellets Sizes: Packs Approximate Finish: 6-9 weeks The low growing, mounded habit of Alyssum makes it highly suitable for borders and pathways. Alyssum self seeds providing a long season of bloom. When plants are 2 inches tall, thin to allow for spreading. That means fat bean seeds should be planted one to three inches deep and tiny carrot seeds should barely be covered. Spacing, Plant: 6-8 inches. She has nearly 25 years of experience in the propagation and care of plants., How to Germinate Rudbeckia Denver Daisies, University of Wisconsin-Madison Master Gardener Program. Scatter seed thinly, cover, firm down and water well. Transplant seedlings 5cm (2") apart and grow on. Use as a wonderful container flower, as Alyssum grow just 3"-9" high and will produce a continuous profusion of sweet smelling flowers to mid- summer. Harvesting/Flowering Period. Seedlings will emerge in 8-10 days. Average Seeds 1250. Fragrant, versatile and richly coloured. Sweet alyssum will bloom all summer long and into the fall if the spent blossoms are continually removed. It’s very easy, either way. Plant a variety of different flowers this year and attract pollinators and beneficial insects which will improve the health of your garden! Cut back regularly to tidy plants and encourage new growth, or leave spent flowers to self seed. Growing Information, Tips, New Products and Updates, right to your inbox. Set the pots on a propagation heating mat if temperatures are below 65 degrees. You can start seeds indoors in pots up to six weeks before the last frost and transplant them outdoors after frost danger passes. Commercial Grower Seeds of Alyssum minus, an annual ephemeral in shrublands of north-west China, can produce a large amount of mucilage. Our Cookie Policy. Timing Start indoors 6-8 weeks before the last frost, around the beginning of March to early April here on the coast. How to Grow Alyssum. Seeds of Alyssum minus, an annual ephemeral in shrublands of north-west China, can produce a large amount of mucilage. Planting Alyssum Seed; After sowing Alyssum seeds cover seeds lightly with peat moss or good soil. Planting Depth: 1/8 inch. If starting indoors, use a sterilized seed starting mix and maintain a soil temperature of 12-21°F (55-70°F) under bright lights. Mist the seeds daily to keep them moist and watch for seedlings in about two weeks. Do you like fragrance in the garden? Grow sweet alyssum seedlings in bright light with regular watering. Consider it also as a fragrant addition to combo planters or even an annual ground cover. J F M A M J J A S O N D; Sowing Period. Transplant the seedlings into a permanent bed with full or partial sun and fast-draining soil, spacing them roughly 6 inches apart to create a carpetlike effect. When planting out, choose a sheltered, sunny spot with sharp drainage to get the best display. Pelleted seed is best used within one year, as the pelleting process can reduce the seed’s longevity. Place in a propagator or seal the seed tray inside a polythene bag until after germination, which usually takes 7-30 days. Protect from snails and slugs with Yates Blitzem. I will also be giving an update on the alyssum seedlings. Companion Planting Alyssum is very attractive to pollinators, and useful as a mulch to keep weeds down between rows. Self-sown sweet alyssum plants can be an issue because they may not share the same positive traits as the parent plant in terms of flower color and growth habit. Alyssum prefers a moist loamy soil with a pH in the 6.0-7.0 range, but it’s adaptable. Alyssum Seeds - North Face; Alyssum Seeds - North Face . Technical specification of Alyssum Seed; Average per pack: 250: Colour group: Pink: Eventual growth height: 200mm: Flowering period: June-September: Planting period: February-May: Help & Advice . 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