Small-flowered Greenhood (Pterostylis micromega)

Photo: no rights reservedCC0 1.0via iNaturalist

Small-flowered Greenhood Plant Care

Pterostylis micromega Hook.f.

Updated · Sources · How we source care data

With its intricate, green and white striped leaves resembling a zebra pattern, this orchid species hails from Australia. Plant collectors are drawn to Pterostylis micromega for its unique foliage and rare, exotic appearance in a garden or collection.

🪴Houseplants🌸Orchids
Water

Every 7–14 days

Light

Bright indirect light

Temp

60–75°F

Humidity

60–80%

At a glance

How do you care for Small-flowered Greenhood?

Water Small-flowered Greenhood every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–75°F (16–24°C) and 60–80% humidity. Fertilize it every month during the growing season.

Where Is the Small-flowered Greenhood Native To?

Native range1 country

What Is the Small-flowered Greenhood?

Small-flowered Greenhood (Pterostylis micromega) belongs to the Orchidaceae family within the Pterostylis genus. Small-flowered Greenhood is native to New Zealand. Small-flowered Greenhood is also known as Greenhood Orchid.

Small-flowered Greenhood displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Small-flowered Greenhood produces unique, intricate orchid-like flowers.

Leaf size: approximately 4 inches.

How Often Should You Water a Small-flowered Greenhood?

Pterostylis micromega requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Small-flowered Greenhood Need?

Small-flowered Greenhood thrives in bright indirect light. Avoid placing Small-flowered Greenhood in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Small-flowered Greenhood Prefer?

Pterostylis micromega grows best at temperatures of 60–75°F. Small-flowered Greenhood prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–75°F

Humidity

60–80%

What Soil Mix Works Best for a Small-flowered Greenhood?

Well-draining orchid mix with bark and perlite. Good drainage is essential for Small-flowered Greenhood to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Small-flowered Greenhood?

Feed Small-flowered Greenhood every month during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every month

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Small-flowered Greenhood?

Repot every 1-2 years after flowering. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Small-flowered Greenhood?

Small-flowered Greenhood can be propagated through division, seed sowing. Similar propagation techniques also apply to abrupt greenhood plant care, which shares the same genus.

Is the Small-flowered Greenhood Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Small-flowered Greenhood, 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 Small-flowered Greenhood?

Small-flowered Greenhood is susceptible to aphids, spider mites, scale insects. 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 Small-flowered Greenhood Need?

Small-flowered Greenhood grows outdoors in USDA Zone 9a – 10b. It survives winters down to planting zone 9a. Small-flowered Greenhood is native to New Zealand. In cooler regions, grow Small-flowered Greenhood as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 9a – 10b

Keep exploring plants

Small-flowered Greenhood 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 Pterostylis genus — compare its care with other Pterostylis species on PlantoScan.

Pterostylis is part of the Orchidaceae plant family — browse all Orchidaceae genera and species.

Small-flowered Greenhood thrives in bright light and direct sun — see other bright-light plants.

More Pterostylis Species

Other Pterostylis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Pterostylis micromega Hook.f., family Orchidaceae (first published in Fl. Nov.-Zel. 1: 248 (1853)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Small-flowered Greenhood, 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.
  • Photo: Public domain, CC0 1.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 9a – 10b, estimated from the plant's typical growing conditions.
  • 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.

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