Cylindropuntia imbricata 'White Tower'

Cactus Succulent

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A shrubby, cold-hardy cactus with stout, cylindrical green stem segments, heavily armed with viscious sharp, barbed spines. Unusual for this species, white flowers appear mainly in late spring to early summer, followed by yellow, cone-shaped fruits. Copes well with cold British winters, providing it does not become waterlogged

Position

Full sun

Soil Types

Loam, Sand

Size

Time to Maturity: 20–50 years

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Cactaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus
Name Status: Unresolved

How to Grow

Cultivation

Under glass grow in standard cactus compost in full light or bright filtered light. From early spring to mid-autumn, water freely and apply a balanced liquid fertiliser 3-4 times; keep dry at other times. See houseplant cacti and succulent cultivation

Propagation

Propagate by removing and rooting stem segments

Suggested planting locations and garden types

Houseplants
Patio and container plants
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to scale insects and mealybugs

Diseases

Generally disease-free