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Lavatera trimestris Silver Cup - Rose Mallow seeds

Lavatera trimestris Silver Cup
Rose Mallow, Annual Mallow, Royal Mallow

5,0/5
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Successful sowing! Very abundant blooming.

Sabrina, 28/12/2022

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This plant carries a 6 months recovery warranty

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This Lavatera forms adorable bushy plants that are covered for a long period with large, round, satin flowers in a delicate dark pink veined with carmine. This easy-to-grow plant is resistant to wind and bad weather. It is decorative in borders, perennial or annual flowerbeds, and flowering pots. Sow it indoors in a warm place or directly in well-drained, sunny soil. It is ideal for novice gardeners.
Flower size
10 cm
Height at maturity
50 cm
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
21 days
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Sowing period March to April
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Flowering time July to September
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Description

Annual Lavatera trimestris Silver Cup forms adorable bushes that are covered for a long period with large, round, satiny, delicate dark pink flowers veined with carmine. This easy-to-grow variety withstands wind and bad weather well. It is a beautiful addition to borders, perennial or annual flower beds, and flowering pots. Sow it under shelter or directly in moist, well-drained soil in the sun. It is ideal for novice gardeners.

 

Lavatera trimestris is a slightly hardy annual native to the Mediterranean region. It is related to wood mallows (Malva sylvestris) or marshmallows (Althea officinalis), belonging to the same malvaceae family. The Silver Cup variety was selected for its resistance to bad weather and its branching habit. It quickly forms a lovely, vibrant green bush that reaches 50 cm (20in) high and 35 cm (14in) wide, without needing staking. The basal leaves are almost round, while those covering the stems have palmate lobes, resembling maple leaves. It flowers from July to September (earlier in hot climates). The flowers are a satiny dark pink, veined with carmine and of a good size (10 cm (4in) in diameter), solitary in the axils of the leaves. They are short-lived, but continually renew on the plant, especially if you regularly remove faded flowers. The large seeds contained in their black, ripe capsules are easy to sow.

 

Annual lavateras are essential in "cottage gardens," but varieties with vibrant colours fit well in mixed borders and annual flower beds alongside love-in-a-mist, cosmos, or perennials such as flax, asters, or gauras. A single packet of Lavatera trimestris seeds can decorate many flower beds or form small, flowering hedges, with very fresh colors. Large-flowered lavateras are also good cut flowers. Small varieties like Silver Cup are very pretty in pots, mixed with sweet peas or snapdragons.

Lavatera trimestris Silver Cup - Rose Mallow seeds in pictures

Lavatera trimestris Silver Cup - Rose Mallow seeds (Flowering) Flowering

Flowering

Flower colour pink
Flowering time July to September
Inflorescence Solitary
Flower size 10 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Annual
Foliage colour green

Plant habit

Height at maturity 50 cm
Spread at maturity 35 cm
Growth rate fast

Botanical data

Genus

Lavatera

Species

trimestris

Cultivar

Silver Cup

Family

Malvaceae

Other common names

Rose Mallow, Annual Mallow, Royal Mallow

Origin

Cultivar or hybrid

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Planting and care

Annual mallows are sown in spring, directly in the ground when temperatures warm up (germination occurs at 15°C (59°F)). Light promotes seed germination. You can also sow them under cover in March and transplant the young plants outside from May, once the last frosts have passed. When the young plants reach about 20 cm (8in) high, you can pinch the main stems to encourage branching. Leave at least 40 cm (16in) between each plant.

Choose a well-exposed location to grow them, in the sun, with ordinary but well-drained soil. Soil that is too rich will favour leaf growth at the expense of flowering.

For beautiful flowers the soil should remain moist, even humid, but without stagnant water. You can mulch around the plants and water from time to time, especially in hot and dry summer weather.

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Sowing period

Sowing period March to April
Germination time (days) 21 days

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container
Ease of cultivation Beginner
Exposure Sun
Soil pH Neutral, Calcareous
Soil moisture Moist soil, well-draining, moderately rich
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