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Lavatera CHAMALLOW - Tree mallow

Lavatera clementii 'Inovera' CHAMALLOW®
Tree mallow

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This shrubby lavatera with its deep pink flowers stands out for its more compact habit and abundant flowering. It forms a dense and rounded bush within two years, covered in flowers from June to July. Its light green foliage remains healthy. It is a rewarding plant, easy to grow, but moderately hardy (-10°C) and short-lived. It appreciates the sun and well-drained soils, even limestone, and tolerates summer drought.
Flower size
5 cm
Height at maturity
1.35 m
Spread at maturity
1.35 m
Exposure
Sun
Hardiness
Hardy down to -9°C
Soil moisture
Dry soil, Moist soil
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Best planting time March to April
Recommended planting time March to May, September to October
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Flowering time June to July
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Description

Lavatera 'Inovera' or Chamallow is a particularly compact and floriferous shrubby mallow that blooms in early summer. It quickly forms a dense bush, as wide as it is tall, on which numerous intensely pink and truly luminous flowers bloom. Its attractive light green velvety foliage remains appealing throughout the season. It is an undemanding plant, quite charming in a shrub border or a container on the terrace.

Lavatera 'Inovera' is a French horticultural selection from INRA dating back to 2002. Lavateras belong to the large family of Malvaceae, they are cousins of hollyhocks and roses. It is a genus that includes many species, some more woody than others, and can be annual, biennial or perennial. They are native to various temperate regions of the globe but are mainly found in Mediterranean climates. Shrubby mallows are generally quite short-lived, living only 3 or 4 years, sometimes longer when regularly pruned, but they easily multiply by cuttings.

The 'Chamallow' mallow is a shrubby hybrid. The plant has a rounded and branched bushy habit from the base, as wide as it is tall. It reaches an average of 1.35 m in all directions within two years, up to 1.50 m depending on how severely it is pruned in early spring. This abundant shrub produces 4-5 cm diameter flowers, with single cups composed of rich, yet vibrant pink petals, veined with a darker pink. These flowers are ephemeral but numerous, and they continuously bloom between June and July. The foliage consists of rounded, 3 to 5 cm diameter, slightly velvety, fairly light green leaves. This mallow can withstand temperatures down to -10°/-12°C in a healthy and well-drained soil. Young plants tolerate frost better than mature specimens.

The 'Chamallow' shrubby mallow charms with its simplicity and beautiful pink flowering. In the garden or on the terrace. It looks beautiful in a border with lavenders, rockroses, and dwarf abelias. It also pairs well with white, pink, or mauve ground cover roses. It is a full-sun plant that tolerates partial shade in hot climates and shows more longevity in well-drained soil. It makes a romantic combination with sages, or with its annual cousins, the Malopes (Malope 'Glacier Fruits Mixed') and the Mallow.

Plant habit

Height at maturity 1.35 m
Spread at maturity 1.35 m
Habit Irregular, bushy
Growth rate very fast

Flowering

Flower colour pink
Flowering time June to July
Inflorescence Solitary
Flower size 5 cm

Foliage

Foliage persistence Semi-evergreen
Foliage colour green
Foliage description The foliage remains if the winter is mild, it is deciduous below -5 °C.

Botanical data

Genus

Lavatera

Species

clementii

Cultivar

'Inovera' CHAMALLOW®

Family

Malvaceae

Other common names

Tree mallow

Botanical synonyms

Lavatera clementii CHAMALLOW, Lavatera 'Inovera', Lavatera CHAMALLOW

Origin

Cultivar or hybrid

Planting and care

Plant the 'Chamallow' shrubby Lavatera in full sun (or partial shade in hot and sunny regions), in deep, not too rich soil, moist to dry, but above all well-drained. This plant tolerates limestone and the rocky soil very well, and its deep root allows it to withstand summer drought. Protect it from cold and drying winds in very cold regions. Don't hesitate to cut flowers: pruning stimulates growth and makes the plants stronger. At the beginning of winter, prune the stems to 30 cm above the ground, above the first buds, and if the winter is very cold, mulch the base of your plants. You can also give them a shaping pruning in early spring. These plants have a lifespan of 4 to 5 years. In large flower beds, replace one plant out of three each year. Every year, as soon as the buds swell in March, leave only two or three buds at the base of the new shoots, to form a sturdy framework. Remove excess or poorly positioned old wood. Lavatera can be susceptible to rust in humid climates, root rot, and fungal infections from overly clayey and compact soil.

Planting period

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

Intended location

Suitable for Meadow
Type of use Border, Container
Hardiness Hardy down to -9°C (USDA zone 8b) Show map
Ease of cultivation Beginner
Planting density 1 per m2
Planting spacing Every 120 cm
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, well-drained

Care

Pruning instructions At the beginning of winter, prune the bush to 30 cm above the first buds. You can also give them a shaping trim in early spring. Every year, as soon as the buds swell in March, leave only two or three buds at the base of the new shoots, to form a sturdy framework. You can also prune in summer to reduce the plant's size and encourage branching and new flower production. Remove any excess or poorly positioned old wood.
Pruning Pruning recommended once a year
Pruning time March, July, November
Soil moisture Dry soil, Moist soil
Disease resistance Good
Overwinter Can be left in the ground

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