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Herbaceous Perennial

Alstroemeria Summer Heat ('Tessumheat') (Summer Paradise - Summer Series)

Peruvian lily [Summer Heat]

A compact, clump-forming perennial, to 40cm tall and wide, with dark-to-mid green, lance-shaped leaves. Clusters of buds open to tomato-red and yellow funnel-shaped flowers, with tiny black flecks on the inner petals. Flowers appear from late spring through summer and into early autumn if regularly dead-headed

Synonyms

Alstroemeria 'Tessumheat'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

East–facing or 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)

Botanical details

Family: Alstroemeriaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming, Spreading branched
Genus: Alstroemeria are fleshy rooted herbaceous perennials forming spreading clumps of erect stems bearing narrowly lance-shaped leaves, with umbels of showy funnel-shaped flowers in summer
Name status: Trade

How to grow

Cultivation

Grow in fertile, moist but well-drained soils in full sun ideally. Young plants are best left undisturbed to form clumps; mulch for the first two winters. See also Alstroemeria cultivation

Propagation

Propagate by division in late summer and early autumn or very early spring

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Sub-tropical
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

Carefully but confidently tug, and pull out any spent flower spikes at the base of the plant. This stimulates a new flower spike to develop from the tuber of the alstroemeria plant

Pests

May be susceptible to slugs

Diseases

Generally disease-free but may be susceptible to a virus

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