Zinnia marylandica Double Zahara Cherry Improved ('Pas 989992')

RHS Plant Profile

zinnia [Double Zahara Cherry Improved]

John Fielding

Synonyms

Zinnia marylandica 'Pas 989992'

Annual Biennial

A tender perennial grown as an annual, to 50cm tall with oval, lightly hairy green leaves. Produces double, deep pinkish-red flowers with golden yellow centres, on upright stems from summer into autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, 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

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing
Exposure: 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): H2

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Zinnia can be annuals, perennials or sub-shrubs, with branching stems bearing opposite leaves and solitary terminal flower-heads in summer
Name Status: Trade

How to Grow

Cultivation

Grow in fertile, well drained soil in full sun. Growing in an open position with good spacing between plants can help to minimise fungal problems

Propagation

Propagate by seed sown in spring

Suggested planting locations and garden types

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

Pruning

Deadhead to promote flowering

Pests

Generally pest-free

Diseases

May be susceptible to foot and root rot, grey moulds, fungal leaf spot and powdery mildews