Mammillaria elongata subsp. echinacea

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Houseplants Cactus Succulent

A densely clustering cactus to 10cm tall, with cylindrical green stems. Numerous yellow, recurved radial spines arise from each areole. In spring, white or yellow, sometimes faintly pink-striped flowers, are produced in a ring around the crown

Position

Full sun

Soil Types

Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
5–10 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

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)
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cactaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus
Mammillaria are spiny cacti with spherical or columnar stems, often in clusters, with many prominent tubercles, and funnel-shaped flowers usually in a ring near the apex of the stem
Name Status
Correct

How to Grow

Cultivation

Grow in standard cactus compost in full sun with good ventilation. Water moderately when in growth and apply a specialist liquid cacti feed monthly; keep almost completely dry at other times. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate by sowing seed at 19-24°C in early spring; separate offsets in late spring

Suggested planting locations and garden types

  • Houseplants
  • Patio and container plants
  • Sub-tropical
  • Low Maintenance
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to mealybugs

Diseases

May be susceptible to stem rots in wet conditions