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Sida hermaphrodita

Sida hermaphrodita
Virginia Mallow

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Solange T., 13/04/2020

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More information

This is a tall, elegant perennial, with ample palmate foliage, produces clusters of small white, honey-scented, nectar-rich flowers all summer, perched on sturdy stems that can reach or exceed 2m (7ft) high. It is robust, hardy and easy to grow in the sun in any well-drained, moist or drier soil. It is charming, useful and resilient, definitely worth a try!
Flower size
2 cm
Height at maturity
1.80 m
Spread at maturity
60 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -20°C
Soil moisture
Moist soil
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Best planting time March, September
Recommended planting time March to May, September to October
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Flowering time July to October
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Description

The Sida hermaphrodita is a wild plant from the North American flora that deserves to be better known and planted. Especially in a garden that leaves room for nature, for its beautiful appearance of a giant and its long white flowering as soft as silk, extremely honey-producing and nectar-producing. This great cousin of the mallow will live for many years in the garden, reforming its beautiful vegetation every spring with its palmate foliage and clusters of small buzzing flowers that can be admired all summer at eye level. Perfectly hardy, it is easy to grow in the sun in any good well-drained garden soil, even quite dry in summer. A plant to try out!

 

Sida hermaphrodita is a cold-resistant perennial herbaceous plant native to the southeastern United States and Canada. Its habitat consists of open, rather wet, sunny or semi-shaded river banks, with sandy, slightly acidic to neutral soil. However, the Virginia Mallow is relatively tolerant regarding soil, as evidenced by where it can sometimes appear.  

The plant grows from a rhizome that can spread laterally over time. Its vegetation forms in spring and disappears in winter. It is a very long-lived plant with a lifespan of around 20 years. At maturity, 4 or 5 years, it will produce up to 30 flower stems, 1.80 m (6ft) to over 2 m (7ft), with a spread of at least 60 cm (24in). These robust and thick stems can reach 2 cm (1in) in diameter bearing large entire but palmate leaves, with 3 to 7 lanceolate lobes, 10 to 20 cm (4 to 8in) long. The flowering is particularly long, from July to October-November, earlier or later depending on the region. The tall stems bear terminal clusters of numerous cup-shaped flowers, with 5 white petals, about 2 cm (1in) wide. The centre of each flower has pink to purplish stamens. The flowers attract pollinating insects and are followed by dry fruits containing lots of seeds that will germinate the following spring.

 

Virginia Mallow is ideal in natural areas, with other airy giants like Cephalaria gigantea, Aster laevis, Datisca cannabina or Thalictrum aquilegifolium for example. It also blends well with hybrid mulleins or 'thistles' (Cynara cardunculus, Onopordum nervosum...), tall perennial sunflowers, goldenrods and many others. Its silk-like flowers have a good vase life.

Sida hermaphrodita is native to North America and also cultivated in Europe, for example in Poland, where its fibres are used in the paper industry. Its foliage serves as fodder for livestock and beekeepers plant it to increase honey production. Recent studies have revealed that this plant is a good standing crop (like Miscanthus) to grow for alternative energy production.

Sida hermaphrodita in pictures

Sida hermaphrodita (Flowering) Flowering
Sida hermaphrodita (Foliage) Foliage
Sida hermaphrodita (Plant habit) Plant habit

Flowering

Flower colour white
Flowering time July to October
Inflorescence Cluster
Flower size 2 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms
Flowering description Flowering intensely nectar-rich.

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 1.80 m
Spread at maturity 60 cm
Growth rate normal

Botanical data

Genus

Sida

Species

hermaphrodita

Family

Malvaceae

Other common names

Virginia Mallow

Origin

North America

Product reference854121

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Planting and care

Virginia mallow can be planted in spring or autumn, in the sun or in partial shade. It is udemanding in terms of soil; it prefers well-cultivated and well-drained, moist garden soil, but will adapt to any deep soil even if poor, sandy, and rather dry in summer. If you plant it in heavy or wet soil, add good draining materials like river sand or gravel. If your soil is poor, added leaf mold and compost will be appreciated. This plant is hardy and will not need watering in summer once established, except where it can be very (too) dry. Its root can live for 20 years in the garden.

To help your Virginia mallow establish itself, carefully and regularly weed around its base and mulch the soil in summer if necessary. It doesn't like competition from the roots of other plants, especially when young.

6
€19.50
16
€14.50 Each

Planting period

Best planting time March, September
Recommended planting time March to May, September to October

Intended location

Suitable for Meadow, Woodland edge
Type of use Border, Back of border
Hardiness Hardy down to -20°C (USDA zone 6b) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun, Partial shade
Soil pH Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Ordinary but well-loosened and well-drained soil.

Care

Pruning instructions Cut the faded flowers close to the stem. Cut back in spring to promote its growth.
Pruning Pruning recommended once a year
Pruning time February to March, August to September
Disease resistance Good
Overwinter Can be left in the ground
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