Sweet Alyssum, Purple, Royal Carpet Seeds (Organic)

These organic sweet alyssum seeds produce compact plants that blanket garden beds in a fragrant carpet of purple blooms, making them suited to borders, pathways, and mixed flower plantings. Known for their dense clusters of blossoms, Royal Carpet sweet alyssum ( Lobularia maritima ) thrives in cool seasons and continues to bloom reliably with minimal care. The plants stay low and tidy, offering a delicate texture that softens hard edges and pairs beautifully with taller ornamentals. These hardy blooms perform best in full sun to light shade and well-draining soil, making them versatile for containers, rock gardens, and landscape accents.

Variety Details

• Botanical name: Lobularia maritima
• Plant type: Annual
• Growth habit: Low Growing
• Crop category: Flower seed
• Flower character: These organic sweet alyssum seeds produce compact plants that blanket garden beds in a fragrant carpet of purple blooms, making them suited to borders, pathways, and mixed flower plantings.
• Product format: Seed packet

Sowing & Growing

• Soil Temperature: 60-70°F
• Planting Depth: 1/8"
• Germination: 7-14 Days
• Height at Maturity: 4"-6"
• Days to Maturity: 45-60 Days
• Sun/Shade: Full Sun to Light Shade
• Spacing After Thinning: 6"-8"

Prepare a weed-reduced seedbed for Sweet Alyssum, Purple, Royal Carpet and use the recorded planting season, depth, and light requirements. Press shallow-sown seed into good soil contact and keep the seed zone from drying during establishment. Thin or transplant only when the growth habit and spacing call for it. Leave enough room for mature width and air movement. Bloom timing and final height can shift with sowing date, climate, soil, moisture, and competition, so use listed figures as planning ranges.

Place Sweet Alyssum, Purple, Royal Carpet where its recorded height and growth habit fit the surrounding planting. Shorter companions can be positioned toward bed edges, while taller stems need room where they will not shade small seedlings too early. If cutting flowers, harvest with clean tools at the stage appropriate to the bloom form. If leaving flowers in place, observe how bloom sequence changes through the season and record which sowing date performed best at the site.

Use a dated label for Sweet Alyssum, Purple, Royal Carpet and compare actual emergence, growth, and harvest or bloom timing with the ranges in the current record. Local soil, temperature, light, moisture, and planting date can shift results. Keep observations with the remaining packet so the next sowing can be adjusted without replacing product-specific measurements with a universal calendar.

Explore related options in our Flower Seeds & Bulbs collection.