Aeonium undulatum

RHS Plant Profile

saucer plant

RHS 2003

Synonyms

Aeonium youngianum
Aeonium pseudotabuliforme hort.

Cactus Succulent Conservatory Greenhouse

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A succulent, evergreen subshrub to 25cm in height, with terminal rosettes of fleshy, tongue-shaped, glossy leaves to 15cm in length, tinged with red. Flowers small, yellow, in large conical panicles

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

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

Position

Full sun

Aspect: South–facing or East–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): H1C

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Crassulaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Aeonium are evergreen succulents often of shrubby habit, with fleshy leaves in terminal rosettes on the shoots, and racemes or panicles of small, star-shaped flowers with numerous narrow petals
Name Status: Correct
Plant Range: Gran Canaria

How to Grow

Cultivation

Grow under glass in a standard cactus compost, in full light. When in growth water freely and feed every two or three weeks with a low nitrogen liquid feed. Keep almost dry in the winter. See houseplant cacti and succulent cultivation for further advice

Propagation

Propagate by seed sown at 19-24°C in spring or by cuttings of rosettes kept at 18°C and barely moist until rooted

Suggested planting locations and garden types

Patio and container plants
Mediterranean climate plants

Pruning

No pruning required

Pests

May be susceptible to aphids and mealybugs

Diseases

Generally disease-free