Thismia megalongensis Plant Care
Thismia megalongensis C.A.Hunt, G.Steenbee. & V.Merckx
Updated · Sources · How we source care data
Thismia megalongensis is a seldom seen species of flowering plant in the Burmanniaceae family. It is endemic to the Blue Mountains region, west of Sydney.
Every 7–10 days
Filtered sunlight or shade
65–75°F
60–80%
At a glance
How do you care for Thismia megalongensis?
Plant Thismia megalongensis in filtered sunlight or shade (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–75°F (18–24°C).
What Is the Thismia megalongensis?
Thismia megalongensis (Thismia megalongensis) belongs to the Burmanniaceae family within the Thismia genus. Thismia megalongensis is native to the Blue Mountains region, west of Sydney.
Thismia megalongensis displays a low rosette, clumping growth habit, reaching up to 0.5 ft tall with a spread of approximately 0.5 ft. Thismia megalongensis produces unique, small, often hidden underground.
Leaf size: approximately 2 inches.
How Often Should You Water a Thismia megalongensis?
Water a young or newly planted Thismia megalongensis every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Thismia megalongensis Need?
Thismia megalongensis thrives in filtered sunlight or shade. Avoid placing Thismia megalongensis in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Filtered sunlight or shade
What Temperature and Humidity Does the Thismia megalongensis Prefer?
Thismia megalongensis tolerates temperatures of 65–75°F. Thismia megalongensis prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–75°F
Humidity
60–80%
What Soil Mix Works Best for a Thismia megalongensis?
Well-draining sandy soil with high organic matter content. Good drainage is essential for Thismia megalongensis to prevent waterlogging, which leads to root rot and fungal issues.
Where Should You Plant a Thismia megalongensis?
Choose a spot with filtered sunlight or shade and well-draining sandy soil with high organic matter content. Avoid low spots where water collects after rain.
Thismia megalongensis is suited to USDA Zone 13b.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Thismia megalongensis?
Thismia megalongensis can spread to about 1 ft (0.2 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.2 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Thismia megalongensis?
Prune Thismia megalongensis while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Thismia megalongensis in Winter?
Thismia megalongensis is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Thismia megalongensis?
Thismia megalongensis can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to fairy lanterns plant care, which shares the same genus.
Is the Thismia megalongensis Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Thismia megalongensis, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Thismia megalongensis?
Thismia megalongensis is susceptible to mealybugs, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Thismia megalongensis Need?
Thismia megalongensis grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Thismia megalongensis is native to the Blue Mountains region, west of Sydney. In cooler regions, grow Thismia megalongensis as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Thismia megalongensis is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Thismia genus — compare its care with other Thismia species on PlantoScan.
Thismia is part of the Burmanniaceae plant family — browse all Burmanniaceae genera and species.
Thismia megalongensis produces blooms — browse other flowering plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Thismia megalongensis C.A.Hunt, G.Steenbee. & V.Merckx, family Burmanniaceae (first published in Telopea 16: 167 (2014)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Thismia megalongensis, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13b, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
