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Annual Biennial

Machaeranthera tanacetifolia

Tahoka daisy

A clump-forming annual or biennial to about 60cm in height, with branched stems covered in ferny mid-green foliage, and clusters of delicate, daisy-like flowers to 2.5cm wide, with lavender to purple ray florets and yellow central disc florets, produced over a long period from early summer to autumn

Other common names

Tahoka daisy

Synonyms

Aster tanacetifolius

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Ultimate height

0.5–1 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming
Name status: Correct

How to grow

Cultivation

Grow in well-drained soil in full sun

Propagation

Propagate by seed in late winter or early spring

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Gravel garden
Prairie planting
Wildflower meadow
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

Cut back as flowers fade, to encourage a second flush of flowers

Pests

May be susceptible to leaf miners and aphids

Diseases

Generally disease-free

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