Direct sow after the last frost or start indoors 3 to 4 weeks before transplanting. Prepare average, well-drained soil; excessive fertility favours foliage. Sow about 1.3 cm deep. 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: 20 to 30 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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Nasturtium (Tropaeolum majus)
Tropaeolum majus
Nasturtium is a nasturtium cultivar selected for home food or ornamental gardens. It prefers sun to partial shade and average, well-drained soil; excessive fertility favours foliage. Direct sow after the last frost or start indoors 3 to 4 weeks before transplanting. Sow about 1.3 cm deep. Allow 20 to 30 cm between plants. Water moderately and avoid waterlogged soil. 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.
Exposure
Sun to partial shade
Discover the plant
Genus
Tropaeolum
Species
majus
Type
flower
Cycle
Annual
Nasturtium (Tropaeolum majus) Nasturtium is distinguished by plants. It is a clearly identified nasturtium cultivar for gardeners who value dependable sowing information and a well-labelled crop. Its botanical identity is Tropaeolum majus. 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. Keep the growing area free of weeds that compete for light, moisture, and nutrients.
Direct sow after the last frost or start indoors 3 to 4 weeks before transplanting. Sow about 1.3 cm deep. Keep the seedbed evenly moist through emergence. Allow 20 to 30 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. Good air circulation and adequate spacing help foliage dry normally after rain or irrigation.
Nasturtium is grown for the edible portions normally harvested from this type of crop. Pick only healthy produce at the appropriate stage, handle it carefully, and rinse it according to the intended preparation. Water moderately and avoid waterlogged soil. 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
1.3 cm
Spacing / density
20 to 30 cm between plants
Establishment temperature
18 to 21°C
Establishment time
7 to 14 days
Best planting time
Direct sow after the last frost or start indoors 3 to 4 weeks before transplanting
Propagation
Seed
Growing method
Prepare a clean seedbed or containers with average, well-drained soil; excessive fertility favours foliage. Direct sow after the last frost or start indoors 3 to 4 weeks before transplanting. Sow about 1.3 cm deep unless the packet gives a more specific direction. Use the following spacing as the crop develops: 20 to 30 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 moderately and avoid waterlogged soil. 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 moderately and avoid waterlogged soil. 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
Nasturtium performs best in average, well-drained soil; excessive fertility favours foliage. 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; excessive fertility favours foliage and follow this timing: Direct sow after the last frost or start indoors 3 to 4 weeks before transplanting. 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 moderately and avoid waterlogged soil. 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.
Nasturtium can be used for the edible parts normally harvested from nasturtium. Pick only healthy material at the appropriate stage, rinse it according to the intended preparation, and use it while fresh. The cultivar can contribute colour, texture, flavour, or a useful harvest to everyday garden meals. 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.
Nasturtium prefers sun to partial shade and average, well-drained soil; excessive fertility favours foliage. Choose a location that leaves enough room for 20 to 30 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 moderately and avoid waterlogged soil. 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.
Harvest Nasturtium when the edible part reaches the stage described for the cultivar or on the packet. Pick during the cooler part of the day when practical and use clean tools. Remove damaged portions, rinse according to the intended preparation, and cool perishable produce promptly. Regular picking may extend production for crops that continue forming leaves, pods, or fruit. Stop using any plant material that appears spoiled or unidentified. 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.
