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Cactus SucculentConservatory Greenhouse

Echinocereus subinermis

unarmed echinocereus

An erect cactus with shortly spiny, ribbed stems to 25cm tall, bearing bright yellow, funnel-shaped flowers to 10cm across in early summer

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Yellow
Autumn
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Cactaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus

Echinocereus can have deeply ribbed cylindrical or globose stems, sometimes forming clumps, and large funnel-shaped flowers

Name status

Correct

How to grow

Cultivation

Grow under glass in a peat-free, loam-based potting compost with added extra grit. Water moderately when in growth, not at all when dormant. Apply a balanced liquid fertiliser 2 or 3 times in the growing season. See houseplant cacti and succulent cultivation

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Patio and container plants
Pruning

No pruning required

Pests

May be susceptible to mealybugs and scale insects

Diseases

Generally disease-free

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