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Semences Oignon rouge 'Rossa di Toscana Tonda' (Allium cepa)

root vegetable Amaryllidaceae

‘Rossa di Toscana Tonda’ red onion

Name: ‘Rossa di Toscana Tonda’ red onion ( Allium cepa )
Brand: Weston
SKU: WSD-62223000010
Price: 3.99 CAD
Availability: InStock

Allium cepa

Product code : WESTO-0185

‘Rossa di Toscana Tonda’ red onion is a red onion cultivar selected for home food or ornamental gardens. It prefers full sun and fertile, light, well-drained soil. Start indoors 6 to 8 weeks before the last frost or direct sow in early spring. Sow about 6 to 13 mm deep. Allow 4 to 10 cm depending on desired bulb size; 30 to 45 cm between rows. About 2.5 cm of water per week during active growth. 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.

Quantity: 200 to 220 seeds
Exposure: Full sun
Life cycle: Biennial grown as an annual

Common nameRed onion

FamilyAmaryllidaceae

GenusAllium

Speciescepa

CultivarRossa di Toscana Tonda

Typeroot vegetable

Botanical nameAllium cepa

Heirloom varietyYes

‘Rossa di Toscana Tonda’ red onion (Allium cepa) ‘Rossa di Toscana Tonda’ red onion is distinguished by red bulbs with a mild flavour. It is a clearly identified red onion cultivar for gardeners who value dependable sowing information and a well-labelled crop. Its botanical identity is Allium cepa. Plan this variety for a home vegetable plot, raised bed, 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.

Start indoors 6 to 8 weeks before the last frost or direct sow in early spring. Sow about 6 to 13 mm deep. Keep the seedbed evenly moist through emergence. Allow 4 to 10 cm depending on desired bulb size; 30 to 45 cm between rows. Provide full sun and avoid standing water. 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.

‘Rossa di Toscana Tonda’ red onion 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. Maintain about 2.5 cm of water per week during active growth. 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.

Sowing guide

It all startswith a seed.

Spacing / density

4 to 10 cm depending on desired bulb size; 30 to 45 cm between rows

Propagation

Seed

Growing method

Prepare a clean seedbed or containers with fertile, light, well-drained soil. Start indoors 6 to 8 weeks before the last frost or direct sow in early spring. Sow about 6 to 13 mm deep unless the packet gives a more specific direction. Use the following spacing as the crop develops: 4 to 10 cm depending on desired bulb size; 30 to 45 cm between rows. Keep the medium evenly moist during emergence without leaving it saturated. Provide full sun 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. About 2.5 cm of water per week during active growth. 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 care,at the right time.

Care level

Easy

Watering

About 2.5 cm of water per week during active growth. 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

‘Rossa di Toscana Tonda’ red onion performs best in fertile, light, 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.

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.

Moisture

Regular, with no standing water

Seasonal care

At sowing time, prepare fertile, light, well-drained soil and follow this timing: Start indoors 6 to 8 weeks before the last frost or direct sow in early spring. Keep the surface moist until emergence, label the row, and thin seedlings according to the recommended spacing. During active growth, provide full sun and monitor soil moisture, weeds, and leaf condition. About 2.5 cm of water per week during active growth. 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.

Container growing

A garden,within reach.

Recommended pot size

Container drained suitable for adult development; see cultivation tips.

The depth of the container must allow for the development of the harvested root.

Bloom and dimensions

Its place,in your garden.

Mature height

30 to 41 cm (12–16 in.)

Width / spread

3–6 in (8–15 cm)

Days to maturity

90 to 100 days

Harvest

Toscana Tonda is presented as a round red onion.

Garden associations

In goodcompany.

Companion plants

Lettuces can occupy an adjacent row if their foliage does not cover the seedlings.

Other recommended plants

Lettuce KS Attraction; Red onion Tropea Lunga Select; Romaine lettuce Bionda Ortolani

Recipe idea

From the gardento your plate.

Edible parts

Bulbs and leaves

For four side servings, prepare 400g (14 oz) of prepared Rossa Red Onion yield

Frequently asked questions

Your questions,answered.

How should ‘Rossa di Toscana Tonda’ red onion be sown?

Start indoors 6 to 8 weeks before the last frost or direct sow in early spring. Prepare fertile, light, well-drained soil. Sow about 6 to 13 mm deep. Keep the seedbed evenly moist until emergence without saturating it. Label the row and provide full sun. Thin crowded seedlings so the final spacing follows this guidance: 4 to 10 cm depending on desired bulb size; 30 to 45 cm between rows. 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.

Which location is best for ‘Rossa di Toscana Tonda’ red onion?

‘Rossa di Toscana Tonda’ red onion prefers full sun and fertile, light, well-drained soil. Choose a location that leaves enough room for 4 to 10 cm depending on desired bulb size; 30 to 45 cm between rows. 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.

How should ‘Rossa di Toscana Tonda’ red onion be watered?

About 2.5 cm of water per week during active growth. 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.

What maintenance does ‘Rossa di Toscana Tonda’ red onion need?

Keep the planting labelled, weeded, and appropriately spaced. Check young plants regularly for wilting, chewing damage, discolouration, or crowding. Provide full sun 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.

When should ‘Rossa di Toscana Tonda’ red onion be harvested?

Harvest ‘Rossa di Toscana Tonda’ red onion 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.