Eriosyce subgibbosa subsp. wagenknechtii

RHS Plant Profile

Wagenknecht neoporteria

RHS

Synonyms

Neoporteria wagenknechtii var. napina, Neoporteria wagenknechtii

Cactus Succulent

A cactus with globose to cylindric, grey-green stems to 30cm tall, with black spines becoming grey; funnel-shaped, purple flowers 2cm across open in summer

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity: 5–10 years
Max Spread: 0-0.1 metre
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid 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: Bushy
Genus: Eriosyce are a genus of globose or cylindrical cacti that are native to Chile. They have dense spines and pink or yellow funnel-shaped flowers
Name Status: Correct

How to Grow

Cultivation

Under glass or indoors, grow in standard cactus compost in full light, with low humidity. From mid-spring to early autumn, water moderately and apply a dilute liquid fertiliser monthly. Keep dry at other times

Propagation

Propagate by seed at 19-24°C (66-75°F) in spring or summer

Suggested planting locations and garden types

Patio and container plants

Pruning

No pruning required

Pests

Vulnerable to mealybugs and root mealybugs

Diseases

Relatively disease resistant