Search results for 'Boraginaceae'

Hydrophyllum virginianum

27 Jun

Hydrophyllum virginianum (22/05/2016, Kew Gardens, London)

Hydrophyllum virginianum (22/05/2016, Kew Gardens, London)

Position: Dappled shade

Flowering period: Late spring to early summer

Soil: Moist, well drained

Eventual Height: 60cm

Eventual Spread: 60cm

Hardiness: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Family: Boraginaceae

Hydrophyllum virginianum is a deciduous herbaceous perennial with a spreading habit. Its dark green leaves often have white spots, are pinnate with serrate margins and up to 5 leaflets, 15cm long and 10cm across. Its pale purple/ white flowers are up to 12mm long, appear terminally as dense cymes which are up to 5cm across and 10cm long. Its roots have rhizomes which aids its spread.

Hydrophyllum virginianum Flower (22/05/2016, Kew Gardens, London)

Hydrophyllum virginianum Flower (22/05/2016, Kew Gardens, London)

Hydrophyllum virginianum, commonly known as Virginia Waterleaf or Eastern Waterleaf, is native to east North America. In its native habitat it grows in deciduous woodlands and clearings.

The etymological root of the binomial name Hydrophyllum is derived from the Greek hydro meaning ‘water’ and phylum meaning ‘leaf’. Virginianum is derived from the Latin meaning ‘from Virginia, USA’.

Hydrophyllum virginianum Leaf (22/05/2016, Kew Gardens, London)

Hydrophyllum virginianum Leaf (22/05/2016, Kew Gardens, London)

The landscape architect may find Hydrophyllum virginianum useful as a deciduous ground cover perennial with attractive late spring to early summer flowers.

Ecologically, Hydrophyllum virginianum flowers are attractive to pollinating insects, including bees.

Hydrophyllum virginianum prefers moist, humus rich, well-drained soils. It tolerates most pH of soil.

Hydrophyllum virginianum requires little maintenance.

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Landscape Architecture

Mertensia virginica

10 May

Mertensia virginica (23/04/2016, Kew Gardens, London)

Mertensia virginica (23/04/2016, Kew Gardens, London)

Position: Full sun to partial shade

Flowering period: Spring

Soil: Moist, well drained

Eventual Height: 60cm

Eventual Spread: 45cm

Hardiness: 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a

Family: Boraginaceae

Mertensia virginica is a deciduous herbaceous perennial with a clump forming habit. Its leaves die to ground level during its dormant season in the summer months. Its green/ blue leaves are ovate with entire margins, up to 8cm long and 4cm across. Its blue flowers emerge from pink flower buds, are tubular, up to 2cm long and appear terminally.

Mertensia virginica Flower (23/04/2016, Kew Gardens, London)

Mertensia virginica Flower (23/04/2016, Kew Gardens, London)

Mertensia virginica, commonly known as Virginia Bluebells or Virginia Cowslip, is native to east North America. In its native habitat it grows at deciduous woodland edges and openings and river floodplains. Mertensia virginica is synonymous with Mertensia pulmonarioides.

The etymological root of the binomial name Mertensia is named after Franz Karl Mertens (1764-1831), a German botanist. Virginica is derived from the Latin meaning ‘from Virginia, USA’.

The landscape architect may find Mertensia virginica useful as an attractive groundcover deciduous perennial, suitable for light shade.

Ecologically, Mertensia virginica flowers are attractive to pollinating insects, particularly butterflies and moths.

Mertensia virginica Leaf (23/04/2016, Kew Gardens, London)

Mertensia virginica Leaf (23/04/2016, Kew Gardens, London)

The Royal Horticultural Society have given Mertensia virginica their prestigious Award of Garden Merit in 1993.

Mertensia virginica prefers moist, humus rich, well-drained soils. It tolerates most pH of soil.

Mertensia virginica requires little maintenance. Large clumps may be divided during its dormant period.

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Landscape Architecture

Echium wildpretii

18 May

Echium wildpretii just before Flower (23/05/2015, Kew Gardens, London)

Echium wildpretii just before Flower (23/05/2015, Kew Gardens, London)

Position: Full sun

Flowering period: Late spring to early summer

Soil: Well drained

Eventual Height: 3m

Eventual Spread: 60cm

Hardiness: 9a, 9b, 10a, 10b

Family: Boraginaceae

Echium wildpretii in Flower (23/05/2015, Kew Gardens, London)

Echium wildpretii in Flower (23/05/2015, Kew Gardens, London)

Echium wildpretii is a herbaceous biennial or triennial plant with an upright habit. In its first and second years it developes a dense rosette, In the third year it produces an erect flower spike, following flowering it dies. Its grey/ green velvety leaves are lanceolate with entire margins, up to 30cm long and up to 4cm broad. Its red flowers appear on an erect flower spike in its third year. This plant will readily self seed given the right conditions.

Echium wildpretii Flower (23/05/2015, Kew Gardens, London)

Echium wildpretii Flower (23/05/2015, Kew Gardens, London)

Echium wildpretii, commonly known as Tower of Jewels, Red Bugloss or Tenerife Bugloss, is native to the island of Tenerife. In its native habitat it grows in the subalpine zone in dry, arid conditions.

The etymological root of the binomial name Echium is derived from a name given to one of this genus by Dioscorides. Wildpretii is named after Hermann Josef Wildpret (1834 – 1908), a Swiss gardener.

Echium wildpretii (04/04/2015, Kyoto Botanical Gardens, Kyoto, Japan)

Echium wildpretii (04/04/2015, Kyoto Botanical Gardens, Kyoto, Japan)

The landscape architect may find Echium wildpretii useful as a dramatic biennial plant with an upright habit. It dislikes having a wet crown. Once established this plant is drought tollerant.

Ecologically, Echium wildpretii flowers are very attractive to pollinating insects.

The Royal Horticultural Society has given Echium wildpretii their prestigious Award of Garden Merit in 2002.

Echium wildpretii Leaf (04/04/2015, Kyoto Botanical Gardens, Kyoto, Japan)

Echium wildpretii Leaf (04/04/2015, Kyoto Botanical Gardens, Kyoto, Japan)

Echium wildpretii prefers a fertile, well-drained soil. It tolerates most pH of soil. It dislikes wet soils.

Echium wildpretii requires little maintenance.

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