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Phlox divaricata subsp. laphamii Chattahoochee

Phlox divaricata Chattahoochee
Sweet William

4,4/5
39 reviews
7 reviews
3 reviews
1 reviews
5 reviews

Very beautiful colour but the young plant doesn't really thicken up in the sunlight.

Marine, 26/06/2022

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This plant carries a 12 months recovery warranty

More information

A perennial with numerous fragrant flowers in a beautiful lavender-blue with deep purple eyes.
Flower size
7 cm
Height at maturity
25 cm
Spread at maturity
40 cm
Exposure
Partial shade
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Recommended planting time February to April
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Flowering time June to July
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Description

Phlox divaricata subsp. laphamii 'Chattahoochee' is an ephemeral perennial with a branching, bushy habit. It is a cross-breeding between Phlox divaricata subsp. laphamii and the pale, velvety violet flowers of Phlox pilosa. Phlox has a short lifespan but when it blooms, it is exceptional. From June to July, it displays clusters of numerous flat flowers measuring 2 to 3cm (1in) in diameter in lavender-blue with a crimson red eye. These flowers have entire petals and are held upright on purple-tinted stems.

This plant, native to the Chattahoochee Valley in northern Florida, North America, has semi-evergreen leaves measuring 2 to 5cm (1 to 2in) in length. These lanceolate (lance-shaped) leaves are dark green and tinged with purple when young. 'Chattahoochee' has excellent hardiness. It is fragrant and attracts butterflies.

At maturity, this perennial reaches a height of 25cm (10in). It is suitable for rockeries as well as borders and flower beds. It is a small-sized perennial for edging beds.

Phlox divaricata subsp. laphamii Chattahoochee in pictures

Phlox divaricata subsp. laphamii Chattahoochee (Flowering) Flowering
Phlox divaricata subsp. laphamii Chattahoochee (Foliage) Foliage

Flowering

Flower colour blue
Flowering time June to July
Flower size 7 cm
Fragrance slightly scented, Flowered
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 25 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Phlox

Species

divaricata

Cultivar

Chattahoochee

Family

Polemoniaceae

Other common names

Sweet William

Origin

Cultivar or hybrid

Product reference76562

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Planting and care

It prefers partial shade, but can be placed in full sun. Plant it in fertile, humus-bearing, moist but well-drained soil. Prune it back after flowering. It is an easy-to-grow young plant.

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Planting period

Recommended planting time February to April

Intended location

Suitable for Meadow, Shaded rockery, Woodland edge
Type of use Edge of border, Container, Slope
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Planting density 5 per m2
Exposure Partial shade
Soil pH Acidic, Neutral
Soil type Clayey (heavy), Silty-loamy (rich and light)
Soil moisture Moist soil, well-drained and humus-bearing

Care

Pruning instructions Prune the faded flowers with shears, close to the base at the end of the flowering period.
Pruning Pruning recommended once a year
Pruning time June to July
Overwinter Can be left in the ground
4,4/5

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