Titanopsis calcarea

RHS Plant Profile

jewel plant

Dorling Kindersley 2003

Conservatory Greenhouse Cactus Succulent

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a succulent perennial to 4cm in height, forming a clump of rosettes of thick blue-green leaves with brownish tubercles, and daisy-like bright yellow to orange flowers 2cm across in autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity: 5–10 years
Max Spread: 0-0.1 metre
Max Height: Up to 10 cm

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline

Position

Full sun

Aspect: North–facing or West–facing or East–facing or South–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: Aizoaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Clump forming
Genus: Titanopsis are succulent perennials with rosettes of very fleshy leaves, covered with tubercles at the tips, and with daisy-like yellow or orange flowers in late summer, winter of early spring
Name Status: Correct
Plant Range: S Africa

How to Grow

Cultivation

Grow under glass in a standard cactus compost with added limestone chippings, in full light. Provide low humidity. Water freely when in growth and keep dry at other times. Apply a dilute balanced fertilizer fortnightly during late spring and summer

Propagation

Propagate by seed

Suggested planting locations and garden types

Patio and container plants
Low Maintenance

Pruning

No pruning required

Pests

May be susceptible to aphids

Diseases

Generally disease-free