Overview

Thelymitra megacalyptra is a plant with a perennial habit in the genus Thelymitra, part of the Orchidaceae family, with deciduous foliage. Thelymitra megacalyptra grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include ornamental.

About

Thelymitra megacalyptra, known as Thelymitra megcalyptra in Australia, and commonly known as plains sun orchid, is a species of orchid that is endemic to eastern Australia. It has a single erect, fleshy leaf and up to fifteen blue to purplish, sometimes lilac, pink or white flowers with white tufts on top of the anther.

About the genus

Thelymitra, commonly known as sun orchids, is a genus of more than 100 species of plants in the orchid family, Orchidaceae. Unlike most other orchids, sun orchids lack a highly modified labellum and all three petals are similar in size, shape and colour. The column is, however, highly modified and usually has prominent wings or glands which are helpful in identifying the species.

Wikipedia contributors, "Thelymitra", CC BY-SA 4.0Thelymitra

Growing conditions

Best soil and position for Thelymitra

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Thelymitra megacalyptra size, habit and characteristics

Habit
Perennial
Foliage
Deciduous
Suggested uses
Ornamental

Care notes

Pruning and caring for Thelymitra megacalyptra

Propagation
Seed, division
Pest resistance
Susceptible to aphids
Disease resistance
Susceptible to fungal infections

Frequently asked questions

Where is the best place to plant Thelymitra megacalyptra?

Thelymitra megacalyptra prefers full sun. It suits sheltered positions.

What soil does Thelymitra megacalyptra need?

Thelymitra megacalyptra grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Thelymitra megacalyptra hardy in the UK?

Thelymitra megacalyptra has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Thelymitra megacalyptra?

Seed, division.