Plant care
Japanese Anemone 'Honorine Jobert' (Japanese Anemone) care
Anemone x hybrida
Also called Japanese Anemone, Windflower, Autumn Anemone.
Watering rhythm
7-10days
When the top 3-4 cm of soil is dry, roughly every 7-10 days
Light
Bright indirect light (just back from a sunny window)
Soil
Moist, fertile, humus-rich, well-drained loam
Humidity
40-65%
Temp
-20-28°C
Pet safety
Toxic to pets
Mature size
100-150 cm tall in flower
Care at a glance
Light
Japanese Anemone 'Honorine Jobert' is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Grows well in partial shade to full sun. In hot climates, afternoon shade is beneficial; in cooler areas full sun produces the strongest flowering. Avoid deep, dense shade. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.
Watering
Water japanese anemone 'honorine jobert' when the top 3-4 cm of soil is dry, roughly every 7-10 days. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Appreciates consistently moist soil, particularly during establishment and through dry summer spells. Once established it is reasonably drought-tolerant. Mulch to retain moisture.
Soil and pot
Japanese Anemone 'Honorine Jobert' grows best in moist, fertile, humus-rich, well-drained loam. Thrives in any reasonably fertile garden soil with good moisture retention. Incorporate compost before planting. Tolerates clay soils if drainage is adequate. 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
Japanese Anemone 'Honorine Jobert' sits happiest at around 40-65% humidity and -20-28°C (-4-82°F). Average garden or light woodland humidity is suitable. Good air circulation around plants helps prevent any fungal issues, although this species is generally robust. 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 japanese anemone 'honorine jobert' sparingly. Apply a balanced fertiliser or well-rotted compost mulch in spring as new growth emerges. Established clumps in fertile soil often need no additional feeding; avoid over-feeding, which produces leafy growth at the expense of flowers. 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 japanese anemone 'honorine jobert' in the Growli community. Each is annotated with the most common cause so you know where to start.
- Slow establishment — Japanese anemones may sulk or fail to flower in the first 1-2 years; be patient and keep well watered — once established they spread vigorously.
- Invasive spread — Rhizomes can spread extensively and are difficult to remove completely; plant where this is manageable or contain with root barriers.
- Powdery mildew — Affects foliage in dry summers; not usually severe enough to require treatment — remove affected leaves and water regularly at the base.
- Leaf spot — Brown leaf spots may appear in wet seasons; remove affected foliage and improve air circulation.
- Vine weevil — Grubs may attack roots in containers; treat container-grown plants with nematodes or a systemic vine-weevil treatment.
Companion plants
Japanese Anemone 'Honorine Jobert' pairs well with Hydrangea arborescens, Actaea simplex, Persicaria amplexicaulis, and Hakonechloa macra. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.
Propagation
Divide rhizomatous clumps in autumn or early spring, replanting sections with at least one growing point. Root cuttings taken in autumn or early winter root readily in a cold frame. 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
Japanese Anemone 'Honorine Jobert' is toxic to pets. The ASPCA lists Anemone species as toxic to dogs, cats, and horses; all parts contain ranunculin which converts to the irritant protoanemonin. Ingestion can cause drooling, vomiting, diarrhoea, and in significant quantities, more serious effects. Seek veterinary attention immediately if ingestion is suspected. 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.
Japanese Anemone 'Honorine Jobert' care — frequently asked questions
What is the common name for Anemone x hybrida?
Anemone x hybrida is most commonly called Japanese Anemone 'Honorine Jobert', but it is also known as Japanese Anemone, Windflower, Autumn Anemone. The names refer to the same species, so care instructions for Japanese Anemone 'Honorine Jobert' apply identically to anything sold as Japanese Anemone.
How much light does japanese anemone 'honorine jobert' need?
Japanese Anemone 'Honorine Jobert' grows best in bright indirect light (just back from a sunny window). Grows well in partial shade to full sun. In hot climates, afternoon shade is beneficial; in cooler areas full sun produces the strongest flowering. Avoid deep, dense shade.
How often should I water japanese anemone 'honorine jobert'?
Water japanese anemone 'honorine jobert' when the top 3-4 cm of soil is dry, roughly every 7-10 days. Appreciates consistently moist soil, particularly during establishment and through dry summer spells. Once established it is reasonably drought-tolerant. Mulch to retain moisture. 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 japanese anemone 'honorine jobert' toxic to cats and dogs?
Japanese Anemone 'Honorine Jobert' is toxic to pets. The ASPCA lists Anemone species as toxic to dogs, cats, and horses; all parts contain ranunculin which converts to the irritant protoanemonin. Ingestion can cause drooling, vomiting, diarrhoea, and in significant quantities, more serious effects. Seek veterinary attention immediately if ingestion is suspected.
What USDA hardiness zone does japanese anemone 'honorine jobert' grow in?
Japanese Anemone 'Honorine Jobert' is rated for USDA zone 4-8 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Japanese Anemone 'Honorine Jobert' deep-dive guides
Every aspect of japanese anemone 'honorine jobert' care, each with its own calibrated guide:
- Common japanese anemone 'honorine jobert' problems & fixes
- Japanese Anemone 'Honorine Jobert' watering schedule
- Japanese Anemone 'Honorine Jobert' light requirements
- Best soil mix for japanese anemone 'honorine jobert'
- Japanese Anemone 'Honorine Jobert' fertilizing guide
- When to repot japanese anemone 'honorine jobert'
- How to propagate japanese anemone 'honorine jobert'
- How to prune japanese anemone 'honorine jobert'
- What's eating my japanese anemone 'honorine jobert'?
- Japanese Anemone 'Honorine Jobert' growth rate & size
- Japanese Anemone 'Honorine Jobert' cold hardiness
- Japanese Anemone 'Honorine Jobert' temperature & humidity
- Is japanese anemone 'honorine jobert' toxic to cats & dogs?
- Is japanese anemone 'honorine jobert' toxic to cats?
- Is japanese anemone 'honorine jobert' toxic to dogs?
- All 18 Anemone varieties
- Getting japanese anemone 'honorine jobert' to bloom
Featured in these plant shortlists
Japanese Anemone 'Honorine Jobert' qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- 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 flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
- Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
- Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
- Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Japanese Anemone 'Honorine Jobert' is also known as Japanese Anemone, Windflower, and Autumn Anemone.