Start indoors 4 to 5 weeks before planting out or direct sow as soon as soil can be worked. Prepare average, well-drained soil. Surface sow or barely cover. Keep the seedbed evenly moist until emergence without saturating it. Label the row and provide sun to partial shade. Thin crowded seedlings so the final spacing follows this guidance: 15 to 20 cm between plants. If plants are started indoors, provide strong light and harden them gradually before transplanting outdoors at the appropriate time. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation.
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‘Colour Carpet’ sweet alyssum (Lobularia maritima)
Lobularia maritima
‘Colour Carpet’ sweet alyssum is a sweet alyssum cultivar selected for home food or ornamental gardens. It prefers sun to partial shade and average, well-drained soil. Start indoors 4 to 5 weeks before planting out or direct sow as soon as soil can be worked. Surface sow or barely cover. Allow 15 to 20 cm between plants. Water regularly during establishment, then moderately. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients.
Exposure
Sun to partial shade
Discover the plant
Genus
Lobularia
Species
maritima
Cultivar
Colour Carpet
Type
flower
Cycle
Annual
‘Colour Carpet’ sweet alyssum (Lobularia maritima) ‘Colour Carpet’ sweet alyssum is distinguished by plants. It is a clearly identified sweet alyssum cultivar for gardeners who value dependable sowing information and a well-labelled crop. Its botanical identity is Lobularia maritima. Plan this variety for an ornamental bed, border, or suitable container, according to its mature size and growing requirements. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation.
Start indoors 4 to 5 weeks before planting out or direct sow as soon as soil can be worked. Surface sow or barely cover. Keep the seedbed evenly moist through emergence. Allow 15 to 20 cm between plants. Provide sun to partial shade and avoid standing water. A germination temperature of 18 to 21°C is appropriate for this crop. Thin crowded seedlings early and harden indoor-started plants gradually before transplanting. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level.
‘Colour Carpet’ sweet alyssum is suited to beds, borders, or containers where its form and flowering can be appreciated. Pair it with plants that prefer comparable light, moisture, and drainage. Water regularly during establishment, then moderately. Keep the planting accessible for observation, watering, harvest, or grooming. Use clean tools, remove damaged material, and store unused seed in a cool, dry, dark location. Choose compatible neighbouring plants and maintain enough room for air circulation. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level.
Planting guide
From planting to establishment.
Planting depth
Surface sow or barely cover
Spacing / density
15 to 20 cm between plants
Establishment temperature
18 to 21°C
Establishment time
8 to 10 days
Best planting time
Start indoors 4 to 5 weeks before planting out or direct sow as soon as soil can be worked
Propagation
Seed
Growing method
Prepare a clean seedbed or containers with average, well-drained soil. Start indoors 4 to 5 weeks before planting out or direct sow as soon as soil can be worked. Surface sow or barely cover unless the packet gives a more specific direction. Use the following spacing as the crop develops: 15 to 20 cm between plants. Keep the medium evenly moist during emergence without leaving it saturated. Provide sun to partial shade and good air movement. Thin crowded seedlings early so the remaining plants develop without unnecessary competition. Harden indoor-started plants gradually before transplanting them outdoors after the appropriate frost date. Water regularly during establishment, then moderately. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients. Use clean tools for harvest and remove damaged plant material when it appears. Always follow the packet information when a variety-specific direction differs from general guidance. A simple garden label makes the cultivar easy to identify from sowing through harvest or flowering.
Soil and care
The right conditions.
Exposure
Sun to partial shade
Watering
Water regularly during establishment, then moderately. Check moisture at soil level instead of watering only by schedule. Water gently during germination so seeds are not displaced, then direct irrigation toward the root zone. Avoid standing water and adjust frequency after rain. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level.
Soil type
‘Colour Carpet’ sweet alyssum performs best in average, well-drained soil. Loosen compacted ground before sowing and remove large stones or persistent weeds. Mature compost may improve poor soil, but avoid creating a heavy or waterlogged seedbed. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients.
Fertilization
Prepare the soil with mature compost when fertility is low. A light, balanced fertilizer may be used according to its label, but excessive feeding can cause weak or unbalanced growth. Observe leaf colour and plant development before adding more nutrients. Water after any application. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level.
Seasonal care
At sowing time, prepare average, well-drained soil and follow this timing: Start indoors 4 to 5 weeks before planting out or direct sow as soon as soil can be worked. Keep the surface moist until emergence, label the row, and thin seedlings according to the recommended spacing. During active growth, provide sun to partial shade and monitor soil moisture, weeds, and leaf condition. Water regularly during establishment, then moderately. In warm or windy weather, check containers and exposed beds more frequently. Remove damaged material and keep enough space for air circulation. At harvest or after flowering, use clean tools and clear unhealthy debris. Healthy residue may be composted where appropriate. At the end of the season, clean containers and tools, record useful observations, and store remaining seed in a cool, dry, dark place. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients. Use clean tools for harvest and remove damaged plant material when it appears. Always follow the packet information when a variety-specific direction differs from general guidance. A simple garden label makes the cultivar easy to identify from sowing through harvest or flowering. Check young plants frequently because small moisture or pest problems are easier to address early.
Garden associations
What to plant with it.
‘Colour Carpet’ sweet alyssum is suited to ornamental beds, borders, and containers where its form and flowering can be appreciated. Combine it with plants that need similar light, drainage, and watering. Its named cultivar makes it useful for a planned colour scheme or a clearly labelled flower collection. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients.
Frequently asked questions
Everything toknow.
‘Colour Carpet’ sweet alyssum prefers sun to partial shade and average, well-drained soil. Choose a location that leaves enough room for 15 to 20 cm between plants. Avoid low spots where water remains after rain. In a container, use drainage holes and a clean growing mix. Observe how light moves across the space during the day, especially near buildings or taller plants. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients.
Water regularly during establishment, then moderately. During germination, use a gentle spray or careful watering so seed is not displaced. After establishment, water at soil level when the surface begins to dry. Adjust frequency to rainfall, heat, wind, soil texture, and container size. Avoid standing water because roots still require oxygen. Morning watering can help foliage dry normally during the day. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients.
Keep the planting labelled, weeded, and appropriately spaced. Check young plants regularly for wilting, chewing damage, discolouration, or crowding. Provide sun to partial shade and maintain the moisture pattern described for the crop. Use clean tools, avoid deep cultivation near established roots, and remove unhealthy debris. Apply any fertilizer or pest-control product only according to its label. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients. Use clean tools for harvest and remove damaged plant material when it appears.
Flowering depends on sowing time, temperature, light, and normal plant development. Give ‘Colour Carpet’ sweet alyssum sun to partial shade, suitable spacing, and steady care without waterlogging the roots. Avoid excessive nitrogen, which can favour soft foliage over flowers. Remove faded blooms when appropriate, or leave selected heads to mature when seed collection or wildlife value is desired. For best results, label the row and observe the plants regularly as conditions change through the season. Adjust watering to rainfall, wind, container size, and the actual moisture at soil level. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation. Keep the growing area free of weeds that compete for light, moisture, and nutrients. Use clean tools for harvest and remove damaged plant material when it appears.
