Sweet Alyssum
Lobularia maritima
Family: Brassicaceae
Sweet Alyssum grows in full sun to partial shade and prefers average, well-drained soil. Water needs: Moderate.
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How to Grow Sweet Alyssum
Sweet Alyssum growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Average, well-drained soil with a soil pH of 6.0-7.5, and Moderate water needs. The listed hardiness zones are 5-9 perennial in mild climates; annual elsewhere. For propagation reference, the database lists germination or establishment information for Sweet Alyssum as 5-14 days, with planting or establishment depth listed as Surface sow or barely cover. Days to maturity are listed as 50-70 days to flowering.
Plant Overview
Sweet Alyssum (Lobularia maritima) is listed in the Brassicaceae family and categorized as a flower with an annual or short-lived perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-0194
- Family
- Brassicaceae
- Plant type
- Flower
- Life cycle
- Annual or short-lived perennial
- Difficulty
- Easy
Growing Conditions
Sweet Alyssum is listed for full sun to partial shade conditions. Water needs are listed as moderate. The database soil reference is Average, well-drained soil. The listed soil pH range is 6.0-7.5, and the listed hardiness range is 5-9 perennial in mild climates; annual elsewhere.
- Hardiness zones
- 5-9 perennial in mild climates; annual elsewhere
- Sunlight
- Full sun to partial shade
- Soil
- Average, well-drained soil
- Soil pH
- 6.0-7.5
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 5-14 days and the seed depth is Surface sow or barely cover. The listed time to maturity is 50-70 days to flowering. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 5-14 days
- Seed depth
- Surface sow or barely cover
Harvest & Propagation
- Days to maturity
- 50-70 days to flowering
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.