Hymenoxys hoopesii

RHS Plant Profile
owl's-claws

Save a plant

Where do you want to save Hymenoxys hoopesii?

Plants I own
Wishlist
Go to My Plants

Synonyms

Helenium hoopesii
Dugaldia hoopesii

Herbaceous Perennial
Buy this from Plant Nurseries
11 Suppliers

A clump-forming perennial with long, narrow, inversely lance-shaped grey-green leaves with near-white midribs. In early summer, produces bright yellow daisy-like flowers, with a prominent central disc and narrow, drooping petals, on branching leafy stems to 1m high

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun
Aspect
South–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Name Status
Correct
Plant Range
Western N America

How to Grow

Cultivation

Grow in gritty, sharply drained soil in full sun, protect from excess winter wet. Dislikes high humidity

Propagation

Propagate by seed, sown in an open frame as soon as ripe. May self-seed in place if spent flowers are not removed

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • Banks and slopes
  • Flower borders and beds

Pruning

Cut back after flowering if seeds are not required

Pests

May be susceptible to aphids

Diseases

Generally disease-free