Draba aizoides

RHS Plant Profile

yellow whitlow grass

RHS 2003

Other common names

sea-green whitlow grass, whitlow-grass, llysiau'r - bystwn melyn

Alpine Rockery

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A mat-forming perennial with small, dark green leaves and bright yellow flowers in late spring

Position

Full sun

Soil Types

Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–facing or North–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Brassicaceae
Native to GB/Ireland: Yes
Foliage: Semi evergreen
Habit: Matforming
Genus: Draba can be annuals or evergreen perennials, with rosettes of small leaves forming compact cushions or mats, and short racemes of small, 4-petalled flowers in spring or early summer
Name Status: Correct
Plant Range: C & S Europe (Mts)

How to Grow

Cultivation

Grow in a gritty very well-drained soil. Protect from excessive winter rain. Avoid wetting foliage

Propagation

Propagate by seed and root rosettes

Suggested planting locations and garden types

Gravel garden
Rock garden

Pruning

No pruning required

Pests

May be susceptible to slugs and aphids

Diseases

Generally disease-free