Linum 'Gemmell's Hybrid'

RHS Plant Profile
flax 'Gemmell's Hybrid'

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flax 'Gemmell's Hybrid' RHS 2003
flax 'Gemmell's Hybrid' RHS

Synonyms

Linum flavum 'Gemmell's Hybrid'

Award of Garden Merit
Alpine Rockery
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A dwarf, semi-evergreen sub-shrub forming a low mound to 15cm high, with small, oval grey-green leaves. Flowers to 2.5cm in width, bright yellow, in terminal clusters

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Linaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Bushy
Genus
Linum can be annuals, biennials evergreen or herbaceous perennials or shrubs, with clusters of funnel-shaped flowers over a long period in spring or summer
Name Status
Accepted

How to Grow

Cultivation

Grow in very well-drained soil in full sun. Protect from winter wet. Suitable for rock garden

Propagation

Propagate by seed or stem tip cuttings

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden

Pruning

No pruning required

Pests

May be susceptible to slugs and snails and aphids

Diseases

Generally disease-free