Tulipa 'Crystal Star' (7)

RHS Plant Profile
tulip 'Crystal Star'

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tulip 'Crystal Star' Marie Teresa Clements
tulip 'Crystal Star' RHS
tulip 'Crystal Star' Marie Teresa Clements
Bulbs
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A fringed variety with glossy, bright yellow flowers. The tepals have a crisp, fringed edge and a black base.

Position

Full sun, Partial shade

Soil Types

Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Sand
Moisture
Moist but well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–facing or West–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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Liliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Harmful if eatenskin allergen. Wear gloves and other protective equipment when handling. Pets: Harmful if eatenskin allergen - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Tulipa are bulbous perennials with characteristic flowers, in a wide range of colours, in spring
Name Status
Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Fringed Group tulips flower in late spring, with single, cup-shaped flowers with finely-fringed tepals

How to Grow

Cultivation

Plant 10 to 15cm deep in fertile, well-drained soil. Protect from excessive wet and shelter from strong winds. See tulip cultivation

Propagation

Propagate by lifting and seperating offsets. See bulb propagation for further advice

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Flower borders and beds
  • Cut flowers

Pruning

Deadhead after flowering

Pests

May be susceptible to slugs, aphids and stem and bulb eelworm; squirrels may eat the bulbs

Diseases

May be susceptible to tulip fire and bulb rot in poorly drained soil