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Plant care

Anemone × hybrida 'Honorine Jobert' (Honorine Jobert Japanese anemone) care

Anemone × hybrida 'Honorine Jobert'

Also called Honorine Jobert Japanese anemone, white Japanese anemone.

RHS H7USDA 4-8Toxic to petsIndoor 1.2-1.5 m tall and 0.6 m or more wide

Watering rhythm

Bright indirect light (just back from a sunny window)

Keep soil evenly moist; water deeply weekly in dry spells, more in its first year

Light

Bright indirect light (just back from a sunny window)

Soil

Fertile, humus-rich, moist but well-drained loam

Humidity

Ambient outdoor

Temp

-29 to 24°C

Pet safety

Toxic to pets

Mature size

1.2-1.5 m tall and 0.6 m or more wide

Care at a glance

Light

Bright but filtered. Anemone × hybrida 'Honorine Jobert' burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Part shade is ideal, especially dappled light or a spot shaded from harsh afternoon sun; it tolerates full sun in cooler regions if soil stays reliably moist. Too much dense shade reduces flowering and stretches the stems. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering anemone × hybrida 'honorine jobert': keep soil evenly moist; water deeply weekly in dry spells, more in its first year. 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. Never let an establishing plant dry out, as drought checks growth and scorches foliage. Established clumps tolerate short dry periods but flower best with consistent moisture. A spring mulch conserves water and suppresses weeds.

Soil and pot

Anemone × hybrida 'Honorine Jobert' grows best in fertile, humus-rich, moist but well-drained loam. Prefers neutral to slightly alkaline ground enriched with leaf mould or compost. Dislikes heavy waterlogged clay in winter and parched poor soil in summer; improve both extremes with organic matter before planting. 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

Anemone × hybrida 'Honorine Jobert' sits happiest at around Ambient outdoor humidity and -29 to 24°C (-20 to 75°F). An outdoor border perennial with no special humidity needs. Good air movement around the foliage helps deter the leaf and stem diseases anemones occasionally suffer in still, damp conditions. 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 anemone × hybrida 'honorine jobert' sparingly. Top-dress in early spring with well-rotted compost or a balanced general fertiliser; this is usually all it needs. Avoid high-nitrogen feeds, which encourage soft foliage at the expense of flowers. A light feed after the first flush is optional in poor soils. 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 anemone × hybrida 'honorine jobert' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Slow to establishOften sulks and barely flowers in its first year or two, then suddenly accelerates. Resist moving or dividing it; give it time and steady moisture to settle in.
  • Drought scorchLeaf margins brown and crisp when the soil dries out, particularly in young plants. Mulch in spring and water through dry spells to prevent it.
  • Spreads vigorouslyEstablished clumps run by rhizomes and can colonise more ground than expected. Site where it can spread, or contain the roots and remove stray runners each spring.
  • Flops in rich or shady sitesOver-fed or under-lit plants produce tall, weak stems that lean. Give adequate light, avoid nitrogen-heavy feeding and provide discreet support if needed.

Propagation

Increase by division of the rhizomatous clump in early spring or autumn, or by root cuttings taken in late winter, which strike readily. Self-sown seedlings of this hybrid will not come true; division and root cuttings preserve the cultivar. 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

Anemone × hybrida 'Honorine Jobert' is toxic to pets. Toxic to cats and dogs. Anemone belongs to the Ranunculaceae family, whose members the ASPCA recognises as toxic owing to the irritant glycoside protoanemonin (the same principle the ASPCA cites for related Ranunculaceae such as buttercup and clematis). Ingestion can cause drooling, oral and gastrointestinal irritation, vomiting and diarrhoea; treat as a toxic plant and keep pets away. 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.

Anemone × hybrida 'Honorine Jobert' care — frequently asked questions

What is the common name for Anemone × hybrida 'Honorine Jobert'?

Anemone × hybrida 'Honorine Jobert' is most commonly called Anemone × hybrida 'Honorine Jobert', but it is also known as Honorine Jobert Japanese anemone, white Japanese anemone. The names refer to the same species, so care instructions for Anemone × hybrida 'Honorine Jobert' apply identically to anything sold as Honorine Jobert Japanese anemone.

How much light does anemone × hybrida 'honorine jobert' need?

Anemone × hybrida 'Honorine Jobert' grows best in bright indirect light (just back from a sunny window). Part shade is ideal, especially dappled light or a spot shaded from harsh afternoon sun; it tolerates full sun in cooler regions if soil stays reliably moist. Too much dense shade reduces flowering and stretches the stems.

How often should I water anemone × hybrida 'honorine jobert'?

Water anemone × hybrida 'honorine jobert' keep soil evenly moist; water deeply weekly in dry spells, more in its first year. Never let an establishing plant dry out, as drought checks growth and scorches foliage. Established clumps tolerate short dry periods but flower best with consistent moisture. A spring mulch conserves water and suppresses weeds. 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 anemone × hybrida 'honorine jobert' toxic to cats and dogs?

Anemone × hybrida 'Honorine Jobert' is toxic to pets. Toxic to cats and dogs. Anemone belongs to the Ranunculaceae family, whose members the ASPCA recognises as toxic owing to the irritant glycoside protoanemonin (the same principle the ASPCA cites for related Ranunculaceae such as buttercup and clematis). Ingestion can cause drooling, oral and gastrointestinal irritation, vomiting and diarrhoea; treat as a toxic plant and keep pets away.

What USDA hardiness zone does anemone × hybrida 'honorine jobert' grow in?

Anemone × hybrida 'Honorine Jobert' is rated for USDA zone 4-8 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Anemone × hybrida 'Honorine Jobert' deep-dive guides

Every aspect of anemone × hybrida 'honorine jobert' care, each with its own calibrated guide:

Featured in these plant shortlists

Anemone × hybrida '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:

Related guides

Anemone × hybrida 'Honorine Jobert' is also commonly called Honorine Jobert Japanese anemone or white Japanese anemone.