Monthly Archives: July 2015

Allium hollandicum


Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem

A. hollandicum is a robust, upright bulbous plant with long, strap-shaped leaves and dense rounded umbels 10cm across of starry, rosy-pink flowers in summer

Common Name: Dutch garlic
Family: Alliaceae
Color flower: Dark Pink in Summer
Hardiness: H7 (very hardy)
Color foliage: Green in Spring and Summer
Height: 0.5-1 metres
Habit: Bushy
Habit: Generally pest free
Pruning: No pruning required
Spreadid: North-facing
Time to ultimate height: 2-5 years
Exposure: Easy to grow in fertile well-drained soil. Add grit when grown in clay soils to improve drainage
Garden characteristics: Architectural, City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds or Gravel Garden

Convolvulus cneorum


Convolvulus can be annuals, perennials or shrubs, erect or scrambling, with simple or palmately divided leaves and solitary or clustered, open funnel-shaped flowers

C. cneorum is a small spreading evergreen shrub to 60cm in height, with narrowly oblong, very silvery leaves and funnel-shaped white flowers tinged pink in bud, up to 4cm in width

Common Name: silverbush
Family: Convolvulaceae
Color flower: Pink and White in Spring and Summer
Hardiness: H4 (hardy – average winter)
Color foliage: Grey/Silver in Autumn, Spring, Summer and Winter
Height: 0.5-1 metres
Habit: Bushy
Habit: Generally pest free
Pruning: Pruning group 8
Spreadid: West-facing
Time to ultimate height: 5-10 years
Exposure: Grow in well drained soil or low to moderate fertility, in a sheltered spot with full sun. Good for containers, using a gritty loam based medium, watering well in the growing season, but keeping drier in winter
Garden characteristics: Drought Resistant, Patio/Container Plants, Mediterranean Climate Plants, City/Courtyard Gardens or Gravel Garden

Iris ‘Protégé’ (Spuria) amazing and nice spring plant for your garden


Iris may be rhizomatous or bulbous perennials, with narrowly leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer

Spuria section irises are rhizomatous perennials with several beardless flowers up to 15cm across, in late spring or early summer

‘Protégé’ is a vigorous perennial with long narrow leaves and stems to 1.3m, bearing 3 flowers with violet-blue standards and cream falls with fine, light violet veining

Common Name: iris ‘Protégé’
Family: Iridaceae
Color flower: Blue, Gold and Purple in Spring and Summer
Hardiness: old H4 (hardy)
Color foliage: Green in Spring and Summer
Height: 1-1.5 metres
Habit: Clump-forming
Habit: May be attacked by slugs, snails and thrips
Pruning: Remove any dying foliage in autumn, old flower stems can be cut down after flowering
Spreadid: North-facing
Time to ultimate height: 2-5 years
Exposure: Grow in well-drained, fertile, neutral to slightly acid loam in full sun
Garden characteristics: City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds or Wall-side Borders

Elatostema repens – nice patio & container plant


Elatostema can be perennials or subshrubs, with simple, evergreen leaves which are heavily mottled with silver or bronze, and insignificant greenish flowers

E. repens is a trailing or creeping evergreen perennial to 10cm in height, with elliptic, dark green leaves marbled with pale green or grey markings above, purple-tinged beneath. Flowers insignificant

Common Name: trailing watermelon begonia
Family: Urticaceae
Color flower: Green in Summer
Hardiness: H1b (heated greenhouse – subtropical)
Color foliage: Grey/Silver, Pale Green and Dark Green in Autumn, Spring, Summer and Winter
Height: Up to 10 cm
Habit: Trailing
Habit: Generally pest free
Pruning: Shorten shoots, when in growth, to maintain shape
Spreadid: North-facing
Time to ultimate height: 5-10 years
Exposure: Under glass grow in loam-based potting compost in bright, indirect light and shade from hot sun. Water freely and apply a balanced liquid fertiliser monthly when in growth and water moderately in winter. Can be grown outdoors in fertile, humus-rich soil in deep shade
Garden characteristics: Low Maintenance or Patio/Container Plants

Kniphofia ‘Sunningdale Yellow’


Kniphofia may be evergreen or herbaceous perennials, with linear or strap-shaped leaves and erect stems bearing a dense raceme of tubular, usually pendent flowers

‘Sunningdale Yellow’ is a clump-forming herbaceous perennial with slender grassy leaves. Tubular, orange-yellow flowers in slender spikes, on stems to 60cm in height

Common Name: red-hot poker ‘Sunningdale Yellow’
Family: Asphodelaceae
Color flower: Orange and Yellow in Summer
Hardiness: H6 (hardy – very cold winter)
Color foliage: Green in Autumn, Spring and Summer
Height: 0.5-1 metres
Habit: Clump-forming
Habit: May be attacked by thrips
Pruning: Old flower stems can be cut down after flowering
Spreadid: North-facing
Time to ultimate height: 2-5 years
Exposure: Best grown in a sandy soil that has been enriched with humus but any deep, moist but well-drained soil will do. Full sun is best; can tolerate partial shade but flowering is reduced
Garden characteristics: City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds or Mediterranean Climate Plants

Saxifraga ‘Rosea’ (paniculata) nice patio plant


Saxifraga can be annuals, biennials, evergreen or herbaceous perennials, mostly mat-forming in habit, with simple or palmately lobed leaves and starry or rounded flowers which may be solitary of in panicles or cymes

Ligulatae section saxifrages are evergreen perennials forming monocarpic rosettes, usually clustered, of narrowly strap-shaped or oblong, lime-encrusted leaves, with sprays of small white, pale yellow or pink flowers in late spring or early summer

‘Rosea’ is an evergreen perennial forming a mat of rosettes of narrow grey-green leaves. Stems to 30cm bear large panicles of clear rose-pink flowers 12mm wide in early summer

Common Name: saxifrage ‘Rosea’
Family: Saxifragaceae
Color flower: Pink in Summer
Hardiness: H5 (hardy – cold winter)
Color foliage: Green and Grey/Silver in Autumn, Spring, Summer and Winter
Height: 0.1-0.5 metres
Habit: Clump-forming
Habit: Aphids, slugs, vine weevil and glasshouse red spider mite may be a problem
Pruning: No pruning required
Spreadid: North-facing
Time to ultimate height: 2-5 years
Exposure: Grow in moderately fertile, very well-drained, alkaline soil in full sun. Can be grown in a pot in an alpine house but easy to grow outside
Garden characteristics: Gravel Garden, Patio/Container Plants or Rock Garden

Malva moschata


Malva can be annuals, biennials or perennials, with rounded, often palmately lobed leaves and 5-petalled, open funnel-shaped flowers in the leaf axils or in terminal racemes

M. moschata is an upright perennial with heart-shaped lower leaves, and pinnately lobed upper ones, with pale pink saucer-shaped flower to 6cm across in summer and early autumn

Common Name: musk mallow
Family: Malvaceae
Color flower: Pale Pink in Autumn and Summer
Hardiness: old H4 (hardy)
Color foliage: Green in Autumn, Spring and Summer
Height: 0.5-1 metres
Habit: Bushy
Habit: Generally pest free
Pruning: No pruning required
Spreadid: North-facing
Time to ultimate height: 2-5 years
Exposure: Short-lived but will self-seed. Suitable for mixed border or wildflower garden. Support if required
Garden characteristics: Cottage/Informal Garden, Flower borders and beds, Low Maintenance, Wildflower meadow or Wildlife Gardens

Antennaria dioica ‘Alex Duguid’


Antennaria are mat-forming, evergreen or semi-evergreen perennials with small, everlasting flowers on short erect stems. Male and female flowers are borne on separate plants

‘Alex Duguid’ is a small, mat-forming perennial with narrowly spoon-shaped, silvery-white leaves, greener on the upper surface, and fluffy pink flower-heads clustered on short, upright stems in late spring and early summer

Common Name: mountain everlasting ‘Alex Duguid’
Family: Asteraceae
Color flower: Pink in Spring and Summer
Hardiness: old H4 (hardy)
Color foliage: Grey/Silver in Autumn, Spring, Summer and Winter
Height: Up to 10 cm
Habit: Mat forming
Habit: Generally pest free
Pruning: No pruning required
Spreadid: South-facing
Time to ultimate height: 2-5 years
Exposure: Grow in any well-drained, moderately fertile soil in full sun. Grows well in rock gardens or as ground cover at the front of a border
Garden characteristics: Rock Garden, Gravel Garden or Patio/Container Plants