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Geranium macrorrhizum ‘Spessart’

21 Jul

Geranium macrorrhizum 'Spessart' (02/07/2016, Kew Gardens, London)

Geranium macrorrhizum ‘Spessart’ (02/07/2016, Kew Gardens, London)

Position:  Full sun to shade

Soil: Moist, well drained

Flowering period: Early summer

Eventual Height: 40cm

Eventual Spread:  60cm

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

Family: Geraniaceae

Geranium macrorrhizum ‘Spessart’ is a semi-evergreen perennial with a clump forming, spreading habit. Its mid green aromatic leaves are palmate with five lobes and serrate, up to 10cm long and 10cm across. Some of its leaves may turn red in autumn. Its pale pink to dark pink hermaphrodite flowers are up to 3cm across and appear above its leaves. It roots contain fleshy rhizomes which aids its spread.

Geranium macrorrhizum 'Spessart' Flower (02/07/2016, Kew Gardens, London)

Geranium macrorrhizum ‘Spessart’ Flower (02/07/2016, Kew Gardens, London)

The species Geranium macrorrhizum, commonly known as Balkan Cranesbill, Bigroot Geranium or Rock Crane’s-Bill, is native to southern Europe. In its native habitat it grows at woodland margins and scrubby places.

The etymological root of the binomial name Geranium is derived from the Greek geranos, meaning ‘crane’, referring to the beak-like fruit. Macrorrhizum is derived from the Greek makros meaning ‘large’ and riza meaning ‘rooted’.

Geranium macrorrhizum 'Spessart' Leaf (02/07/2016, Kew Gardens, London)

Geranium macrorrhizum ‘Spessart’ Leaf (02/07/2016, Kew Gardens, London)

The landscape architect may find Geranium macrorrhizum ‘Spessart’ useful as an effective semi-evergreen ground cover perennial. Once established this plant is drought tollerant. This plant is not attractive to deer or rabbits.

Ecologically, Geranium macrorrhizum ‘Spessart’ flowers are attractive to many pollinating insects, including bees.

Geranium macrorrhizum ‘Spessart’ prefers moist, fertile, well-drained soils. It tolerates most pH of soil. It will tolerate dry soils

Geranium macrorrhizum ‘Spessart’ requires little maintenance. Flowered shoots and old stems may be removed to encourage new growth. Large clumps may be divided in spring.

DAVIS Landscape Architecture

Landscape Architecture

Salvia nemorosa ‘Caradonna’

11 Jul

Salvia nemorosa 'Caradonna' (02/07/2016, Kew Gardens, London)

Salvia nemorosa ‘Caradonna’ (02/07/2016, Kew Gardens, London)

Position: Full sun to partial shade shade

Soil: Moist, well drained

Flowering period: Summer to autumn

Eventual Height: 70cm

Eventual Spread: 50cm

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

Family: Lamiaceae

Salvia nemorosa ‘Caradonna’ is a semi evergreen herbaceous perennial with a clump forming habit. Its dark green aromatic leaves are narrowly ovate with sinuate margins, rough in texture, up to 8cm ling and 3cm across. Its violet-purple flowers appear as branching racemes.

Salvia nemorosa 'Caradonna' Flower (02/07/2016, Kew Gardens, London)

Salvia nemorosa ‘Caradonna’ Flower (02/07/2016, Kew Gardens, London)

The species, Salvia nemorosa, commonly known as Woodland Sage or Balkan Clary, is native to much of central Europe and west Asia.

The etymological root of the binomial name Salvia is derived from the Latin salvare, meaning to ‘save’ or ‘heal’, in reference to its historical use as a medicinal plant. Nemorosa is derived from the Latin nemus meaning ‘forest’, in reference to its woodland origins.

The Landscape architect may find Salvia nemorosa ‘Caradonna’ useful in herbaceous planting schemes, prairie style planting schemes and wildlife gardens. Once established this plant is drought tollerant and suitable for use in xeriscaping. This plant is is deer resistant.

Ecologically, Salvia nemorosa ‘Caradonna’ flowers will attract pollinating insects, including butterflies and bees.

Salvia nemorosa 'Caradonna' Leaf (02/07/2016, Kew Gardens, London)

Salvia nemorosa ‘Caradonna’ Leaf (02/07/2016, Kew Gardens, London)

The Royal Horticultural Society has given Salvia nemorosa ‘Caradonna’ their prestigious Award of Garden Merit in 2012.

Salvia nemorosa ‘Caradonna’ prefers moist, humus rich, well-drained soils. It tolerates most pH of soil.

Salvia nemorosa ‘Caradonna’ requires little maintenance. The flower spikes may be removed as soon as they start to fade to prolong its flowering period.

DAVIS Landscape Architecture

Landscape Architecture

Brugmansia suaveolens

8 Jul

Brugmansia suaveolens (02/07/2016, Kew Gardens, London)

Brugmansia suaveolens (02/07/2016, Kew Gardens, London)

Position: Full sun to light shade

Flowering period: Late spring to late summer

Soil: Moist, well drained

Eventual Height: 5m

Eventual Spread: 3m

Hardiness: 10a, 10b, 11, 12

Family: Solanaceae

Brugmansia suaveolens is a semi evergreen shrub or small tree with an open habit. Its mid green leaves are ovate with entire margins, up to 25cm long and 15cm across. Its fragrant white/ yellow/ pink flowers are trumpet shaped, pendulous and up to 30cm long.

Brugmansia suaveolens Flower (02/07/2016, Kew Gardens, London)

Brugmansia suaveolens Flower (02/07/2016, Kew Gardens, London)

Brugmansia suaveolens, commonly known as Angel’s Trumpet or Angel’s tears, is native to the coastal region of south east Brazil. In its native habitat it grows in rainforests along river banks and forest margins. Brugmansia suaveolens is synonymous with Datura suaveolens. It should be noted all parts of this plant are toxic. This plant is considered to Extinct in the Wild according to the IUCN Red List of Threatened Species.

The etymological root of the binomial name Brugmansia is named after Sebald Justin Brugmans (1763-1819), a Dutch professor of natural history. Suaveolens is derived from the Latin suavis meaning ‘sweet’ or ‘attractive’ and oleo menaing ‘smell’.

The landscape architect may find Brugmansia suaveolens useful as an attractive container grown shrub with very attractive fragrant flowers. It should be noted this plant should be protected from frost during the winter months.

Brugmansia suaveolens Leaf (02/07/2016, Kew Gardens, London)

Brugmansia suaveolens Leaf (02/07/2016, Kew Gardens, London)

Ecologically, Brugmansia  suaveolens flowers are attractive to pollinating insects, including moths.

The Royal Horticultural Society have given Brugmansia suaveolens their prestigious Award of Garden Merit in 1993.

Brugmansia suaveolens prefers moist, humus rich, fertile, well-drained soils. It tolerates most pH of soil. This plant dislikes dry soils.

Brugmansia suaveolens requires little maintenance. This plant should be watered freely and fertilised regularly.

DAVIS Landscape Architecture

Landscape Architecture

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