Photo: John BarklaCC BY 4.0via iNaturalistresized / cropped
Lyall's Rice Flower Plant Care
Pimelea lyallii Hook.f.
Updated · Sources · How we source care data
This plant's unique feature is its dense clusters of small, delicate white flowers. Originating from New Zealand, Pimelea lyallii is highly sought after by plant collectors for its rarity and stunning floral display. Its elegant appearance and limited availability make it a prized addition to any collection.
Every 7–10 days
Full sun to partial shade
60–75°F
50–70%
At a glance
How do you care for Lyall's Rice Flower?
Plant Lyall's Rice Flower in full sun to partial shade (USDA zones 8b–10b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–75°F (16–24°C). Fertilize it every 6 months during the growing season.
Where Is the Lyall's Rice Flower Native To?
What Is the Lyall's Rice Flower?
Lyall's Rice Flower (Pimelea lyallii) belongs to the Thymelaeaceae family within the Pimelea genus. Lyall's Rice Flower is native to New Zealand. Lyall's Rice Flower is also known as Lyall's Pimelea.
Lyall's Rice Flower displays a compact, bushy shrub growth habit, reaching up to 2.5 ft tall with a spread of approximately 3 ft. Lyall's Rice Flower produces small clusters of pink, white, or yellow flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Lyall's Rice Flower?
Water a young or newly planted Lyall's Rice Flower 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 Lyall's Rice Flower Need?
Lyall's Rice Flower thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Lyall's Rice Flower Prefer?
Pimelea lyallii tolerates temperatures of 60–75°F. Lyall's Rice Flower prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Lyall's Rice Flower?
Well-draining acidic soil mix with added organic matter like peat moss or pine bark. Good drainage is essential for Lyall's Rice Flower to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Lyall's Rice Flower?
Feed Lyall's Rice Flower every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Lyall's Rice Flower?
Choose a spot with full sun to partial shade and well-draining acidic soil mix with added organic matter like peat moss or pine bark. Avoid low spots where water collects after rain.
Lyall's Rice Flower is suited to USDA Zone 8b – 10b.
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 Lyall's Rice Flower?
Lyall's Rice Flower can spread to about 3 ft (0.9 m) and reach about 3 ft (1 m) tall. Space plants about 3 ft (0.9 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 Lyall's Rice Flower?
Prune Lyall's Rice Flower 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 Lyall's Rice Flower in Winter?
Lyall's Rice Flower is hardy down to USDA zone 8b, so once established it can stay outdoors through winter in that zone and warmer ones.
Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.
Young and container-grown shrubs need extra protection: roots in a pot freeze much more easily than roots in the ground.
How Do You Propagate a Lyall's Rice Flower?
Lyall's Rice Flower can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to coastal rice flower plant care, which shares the same genus.
Is the Lyall's Rice Flower Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Lyall's Rice Flower, 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 Lyall's Rice Flower?
Lyall's Rice Flower 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 Lyall's Rice Flower Need?
Lyall's Rice Flower grows outdoors in USDA Zone 8b – 10b. It survives winters down to planting zone 8b. Lyall's Rice Flower is native to New Zealand.
Hardiness Zone
Zone 8b – 10b
Keep exploring plants
Lyall's Rice Flower 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 Pimelea genus — compare its care with other Pimelea species on PlantoScan.
Pimelea is part of the Thymelaeaceae plant family — browse all Thymelaeaceae genera and species.
Lyall's Rice Flower thrives in bright light and direct sun — see other bright-light plants.
More Pimelea Species
Other Pimelea species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Pimelea lyallii Hook.f., family Thymelaeaceae (first published in Fl. Nov.-Zel. 1: 222 (1853)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Lyall's Rice Flower, 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: John Barkla, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8b – 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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