Monthly Archives: April 2017

Scilla mischtschenkoana AGM


Scilla are perennial bulbs with narrow basal leaves and erect stems bearing racemes of star-shaped, flat or bell-shaped flowers which are often blue

S. mischtschenkoana is a bulbous perennial to 15cm tall, with strap-like leaves and short racemes of starry, pale blue flowers opening with the leaves in late winter and early spring

Common Name: Misczenko squill
Family: Asparagaceae
Color flower: Pale Blue in Spring and Winter
Hardiness: H5 (hardy – cold winter)
Color foliage: Green in Spring and Winter
Height: 0.1-0.5 metres
Habit: Bushy
Habit: Generally pest free
Pruning: No pruning required
Spreadid: South-facing
Time to ultimate height: 2-5 years
Exposure: Plant 10cm deep in late summer or early autumn in any moderately fertile, humus-rich, well-drained soil
Garden characteristics: City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Garden Edging, Patio/Container Plants, Gravel Garden or Rock Garden

Fritillaria acmopetala AGM


Fritillaria are bulbous herbaceous perennials with lance-shaped or linear leaves and nodding bell-shaped or bowl-shaped flowers that may be solitary or in racemes or umbels

F. acmopetala is a bulbous perennial with erect stems to 30cm, bearing scattered, narrowly lanceolate leaves and 1-2 terminal, nodding, bell-shaped flowers 3-4cm long, pale green, tinged purple on the inner tepals

Common Name: pointed-petal fritillary
Family: Liliaceae
Color flower: Green and Purple in Spring
Hardiness: H4 (hardy – average winter)
Color foliage: Green in Spring and Summer
Height: 0.1-0.5 metres
Habit: Bushy
Habit: Prone to attack by lily beetles and slugs
Pruning: Cut back when foliage turns yellow at the end of the season
Spreadid: South-facing
Time to ultimate height: 2-5 years
Exposure: A tolerant species suitable for a sunny border or rock garden. Needs fertile, well-drained soil and full sun
Garden characteristics: City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Patio/Container Plants or Rock Garden

Pelargonium ‘Bridal Veil’ (Min/C)


Pelargonium can be perennials, sub-shrubs or shrubs, sometimes succulent and mostly evergreen, with palmately lobed or pinnately divided leaves and clusters of slightly irregular, 5-petalled flowersColoured-leaved Miniature pelargoniums are particularly compact plants in the Zonal section, growing to about 12cm tall and most suitable for use in containers such as window-boxes

‘Bridal Veil’ is a miniature cactus-flowered pelargonium with small leaves and clusters of white flowers with narrow petals

Common Name: pelargonium ‘Bridal Veil’
Family: Geraniaceae
Color flower: White in Summer
Hardiness: old H1+3 (required heated glass; may be grown outside in summer)
Color foliage: Green and Pale Yellow in Autumn, Spring, Summer and Winter
Height: Up to 10 cm
Habit: Bushy
Habit: Vine weevil, leafhoppers, caterpillars, thrips, fungus gnats and aphids can be troublesome. aphids are generally more problematic on over-wintered plants
Pruning: Deadhead regularly
Spreadid: South-facing
Time to ultimate height: 1-2 years
Exposure: Grow in fertile well-drained soil in full sun or partial shade. Remove spent flowers. To overwinter, grow small plants in late summer from cuttings or cut back old plants by one third and lift for storage in frost-free place to repot in spring when growth resumes
Garden characteristics: City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds or Patio/Container Plants

Fritillaria biflora ‘Martha Roderick’


Fritillaria are bulbous herbaceous perennials with lance-shaped or linear leaves and nodding bell-shaped or bowl-shaped flowers that may be solitary or in racemes or umbels

‘Martha Roderick’ is a bulbous perennial to 30cm tall, with glossy lance-shaped leaves and deep reddish-purple, bell-shaped flowers, each tepal white in the outer half, opening in early spring

Common Name: black fritillary ‘Martha Roderick’
Family: Liliaceae
Color flower: Purple and White in Spring
Hardiness: old H3-4 (intermediate between H3 and H4)
Color foliage: Green in Spring
Height: 0.1-0.5 metres
Habit: Bushy
Habit: Slugs and lily beetles may be a nuisance
Pruning: No pruning necessary
Spreadid: South-facing
Time to ultimate height: 2-5 years
Exposure: Grow in a well-drained soil and full sun, with shelter from rain. Ideal to grow in a cold greenhouse or bulb frame in order to keep bulbs almost dry when dormant. Under glass, grow in loam-based potting compost with added grit and leaf mould
Garden characteristics: City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds or Patio/Container Plants

Allium cyaneum AGM


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

Allium cyaneum is a bulbous perennial to 25cm, spreading by short rhizomes to make a clump, with sparse, narrow leaves and small heads of intense violet-blue flowers

Common Name: dark blue garlic
Family: Alliaceae
Color flower: Dark Blue in Summer
Hardiness: H5 (hardy – cold winter)
Color foliage: Green in Spring and Summer
Height: 0.1-0.5 metres
Habit: Bushy
Habit: Generally pest free
Pruning: No pruning required
Spreadid: South-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: City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Gravel Garden, Patio/Container Plants or Rock Garden

Narcissus poeticus var. recurvus (13) AGM


Narcissus are bulbous herbaceous perennials with linear leaves and leafless stems bearing flowers, which may be solitary or in umbels, with 6 spreading perianth segments and a cup or trumpet-shaped corona

Division 13 daffodils include all natural species and their varieties and forms

N. poeticus var. recurvus is a bulbous perennial to 35cm tall, with narrow, channelled leaves. Flowers solitary, fragrant, 4cm wide, with pure white, slightly recurved, perianth segments and small, red-rimmed yellow cups, opening in late spring

Common Name: old pheasant’s eye
Family: Amaryllidaceae
Color flower: Red, White and Yellow in Spring
Hardiness: H6 (hardy – very cold winter)
Color foliage: Blue and Green in Spring
Height: 0.1-0.5 metres
Habit: Bushy
Habit: Susceptible to slugs, narcissus bulb fly, narcissus eelworm, and bulb scale mite
Pruning: No pruning required
Spreadid: South-facing
Time to ultimate height: 1-2 years
Exposure: Plant bulbs at one and a half to two times their own depth in autumn. Will tolerate most soils but prefers moderately fertile, well-drained soil that is constantly moist during the growing season
Garden characteristics: Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Patio/Container Plants or Wildflower meadow

Narcissus ‘Salome’ (2) AGM


Narcissus are bulbous herbaceous perennials with linear leaves and leafless stems bearing flowers, which may be solitary or in umbels, with 6 spreading perianth segments and a cup or trumpet-shaped corona

Large-cupped daffodils have solitary flowers in which the cup is at least one third as long as, but shorter than, the perianth segments

‘Salome’ is a large-cupped daffodil with flowers to 9cm across, the broad perianth segments cream, the cup opening yellow and fading to peach-pink

Common Name: daffodil ‘Salome’
Family: Amaryllidaceae
Color flower: Pink, White and Yellow in Spring
Hardiness: H6 (hardy – very cold winter)
Color foliage: Blue and Green in Spring
Height: 0.1-0.5 metres
Habit: Bushy
Habit: May be attacked by slugs, large narcissus bulb fly, narcissus eelworm, and bulb scale mite
Pruning: Deadhead as flowers fade and allow the leaves to die down naturally
Spreadid: South-facing
Time to ultimate height: 1-2 years
Exposure: Plant at one and a half to two times its own depth in autumn. Will tolerate most soils but prefers moderately fertile, well-drained soil that is constantly moist during the growing season
Garden characteristics: Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Patio/Container Plants or Wildflower meadow

Tulipa ‘Engadin’ (14)


Tulipa are bulbous perennials with characteristic flowers, in a wide range of colours, in spring

Greigii Group tulips have large, single, bowl-shaped flowers in the range yellow to red, often with contrasting margins, and flower in early and mid-spring; the grey-green leaves are usually mottled with purple or maroon

‘Engadin’ is a bulbous perennial to 20cm in height, with greyish-green leaves marked with deep maroon, and blood red flowers edged with yellow, and deep yellow striped with red within

Common Name: tulip ‘Engadin’
Family: Liliaceae
Color flower: Red and Yellow in Spring
Hardiness: old H4 (hardy)
Color foliage: Green, Grey/Silver and Purple in Spring
Height: 0.1-0.5 metres
Habit: Clump-forming
Habit: Stem and bulb eelworm and slugs may be a problem
Pruning: No pruning required
Spreadid: South-facing
Time to ultimate height: 1-2 years
Exposure: Plant 10 to 15cm deep in fertile, well-drained soil with shelter from strong winds and protection from excessive wet
Garden characteristics: City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Cut Flowers, Garden Edging or Patio/Container Plants