Plant care
Golden Hakone Grass (Golden variegated hakone grass) care
Hakonechloa macra 'Aureola'
Also called Golden hakone grass, Golden variegated hakone grass, Japanese forest grass.
Watering rhythm
Medium indirect light (a couple of metres from a window)
Weekly, or whenever the top 2–3 cm of soil dry out
Light
Medium indirect light (a couple of metres from a window)
Soil
Rich, humus-rich, consistently moist but well-drained
Humidity
Moderate to high (50–70%)
Temp
-28°C to 30°C
Pet safety
Mildly toxic to pets
Mature size
25–40 cm (10–16 in) tall and 45–60 cm (18–24 in) wide.
Care at a glance
Light
The Goldilocks zone. Not the south-facing windowsill (too hot, too direct), not the back of the room (too dim, growth stalls). Best in dappled shade or morning sun with afternoon shade; full sun causes leaf scorch and bleaches the gold colouring, especially in warmer climates (Zones 7–9) where afternoon shade is essential. If you can't decide, a free phone lux-meter app aimed at the leaf at noon should read between 800 and 1,500 lux.
Watering
Watering golden hakone grass: weekly, or whenever the top 2–3 cm of soil dry out. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Requires consistently moist soil; unlike most ornamental grasses it is not drought-tolerant and will develop brown leaf tips if allowed to dry out, particularly in summer heat.
Soil and pot
Golden Hakone Grass grows best in rich, humus-rich, consistently moist but well-drained. Thrives in organically enriched soil that retains moisture without becoming waterlogged; incorporate plenty of garden compost or leaf mould at planting and mulch annually to conserve moisture. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.
Humidity and temperature
Golden Hakone Grass sits happiest at around Moderate to high (50–70%) humidity and -28°C to 30°C (-18°F to 86°F). Prefers the cool, humid conditions of its woodland origin; mulching around the base helps maintain soil moisture and moderate air humidity in drier garden microclimates. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.
Fertilising
Feed golden hakone grass sparingly. Apply a balanced, slow-release fertiliser or top-dress with garden compost in early spring; rich soil is essential, unlike most ornamental grasses, to support its lush, leafy growth. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.
Common problems
Below are the issues we see most often on golden hakone grass in the Growli community. Each is annotated with the most common cause so you know where to start.
- Leaf scorch and bleaching — Exposure to full sun, especially in hot climates or during summer drought, causes brown leaf tips and bleaching of the gold variegation. Relocate to a shadier spot or ensure consistent watering and mulching.
- Slow establishment and slug damage — This slow-growing grass is vulnerable to slug and snail damage on young, emerging spring shoots; protect with copper barriers or organic slug pellets in spring when new growth first appears.
Propagation
Division of established clumps in early spring, just as new growth begins — the most reliable method and necessary every four to five years to maintain vigour. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.
Toxicity to pets
Golden Hakone Grass is mildly toxic to pets. Hakonechloa macra is not listed on the ASPCA Toxic and Non-Toxic Plant database. Because it has not been explicitly confirmed as non-toxic, a mildly-toxic classification is used as a precaution. Consult a veterinarian if a pet ingests significant quantities. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).
Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.
Golden Hakone Grass care — frequently asked questions
What is the common name for Hakonechloa macra 'Aureola'?
Hakonechloa macra 'Aureola' is most commonly called Golden Hakone Grass, but it is also known as Golden hakone grass, Golden variegated hakone grass, Japanese forest grass. The names refer to the same species, so care instructions for Golden Hakone Grass apply identically to anything sold as Golden variegated hakone grass.
How much light does golden hakone grass need?
Golden Hakone Grass grows best in medium indirect light (a couple of metres from a window). Best in dappled shade or morning sun with afternoon shade; full sun causes leaf scorch and bleaches the gold colouring, especially in warmer climates (Zones 7–9) where afternoon shade is essential.
How often should I water golden hakone grass?
Water golden hakone grass weekly, or whenever the top 2–3 cm of soil dry out. Requires consistently moist soil; unlike most ornamental grasses it is not drought-tolerant and will develop brown leaf tips if allowed to dry out, particularly in summer heat. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.
Is golden hakone grass toxic to cats and dogs?
Golden Hakone Grass is mildly toxic to pets. Hakonechloa macra is not listed on the ASPCA Toxic and Non-Toxic Plant database. Because it has not been explicitly confirmed as non-toxic, a mildly-toxic classification is used as a precaution. Consult a veterinarian if a pet ingests significant quantities.
What USDA hardiness zone does golden hakone grass grow in?
Golden Hakone Grass is rated for USDA zone 5-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Golden Hakone Grass deep-dive guides
Every aspect of golden hakone grass care, each with its own calibrated guide:
- Common golden hakone grass problems & fixes
- Golden Hakone Grass watering schedule
- Golden Hakone Grass light requirements
- Best soil mix for golden hakone grass
- Golden Hakone Grass fertilizing guide
- When to repot golden hakone grass
- How to propagate golden hakone grass
- How to prune golden hakone grass
- What's eating my golden hakone grass?
- Golden Hakone Grass growth rate & size
- Golden Hakone Grass cold hardiness
- Golden Hakone Grass temperature & humidity
- Is golden hakone grass toxic to cats & dogs?
- Is golden hakone grass toxic to cats?
- Is golden hakone grass toxic to dogs?
- All 7 Hakonechloa varieties
Featured in these plant shortlists
Golden Hakone Grass qualifies for 7 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
- Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
- Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
- Best houseplants for beginners — Forgiving of irregular light and watering — the houseplants least likely to die in a new plant parent’s first season.
- Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
- Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Golden Hakone Grass is also known as Golden hakone grass, Golden variegated hakone grass, and Japanese forest grass.