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Chrysanthemum 'Anastasia' (Anastasia Chrysanthemum) care

Chrysanthemum 'Anastasia'

Also called Anastasia Chrysanthemum, Disbud Mum, Anastasia Mum.

RHS H5USDA 5-9Toxic to petsIndoor 80-120 cm tall when disbudded

Watering rhythm

5-7days

When the top 2-3 cm of soil is dry, roughly every 5-7 days in summer

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Light

Direct sun (at least 4-6 hours)

Soil

Fertile, well-draining loam

Humidity

40-60%

Temp

10-20°C

Pet safety

Toxic to pets

Mature size

80-120 cm tall when disbudded

Care at a glance

Light

Most houseplants will scorch where chrysanthemum 'anastasia' thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun (6+ hours) produces sturdy stems and the richest flower colour. As a photoperiod-sensitive plant, 'Anastasia' initiates bud set when day length shortens in late summer; avoid artificial night-lighting near plants. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for when the top 2-3 cm of soil is dry, roughly every 5-7 days in summer for chrysanthemum 'anastasia', but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Water consistently to maintain steady growth. Irregular watering causes shoot stress and reduces flower quality. Water at the base of the plant to prevent fungal diseases on foliage, which is particularly susceptible in this variety.

Soil and pot

Chrysanthemum 'Anastasia' grows best in fertile, well-draining loam. Incorporate generous organic matter before planting and maintain a pH of 6.0-7.0. Chrysanthemums are heavy feeders and benefit from soil enriched with compost or balanced slow-release fertiliser at planting time. 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

Chrysanthemum 'Anastasia' sits happiest at around 40-60% humidity and 10-20°C (50-68°F). Moderate humidity suits chrysanthemums. High humidity combined with poor airflow promotes leaf spot and botrytis; space plants at least 45-60 cm apart and grow in open, airy positions. If you keep the room above 10 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 chrysanthemum 'anastasia' sparingly. Apply a balanced fertiliser monthly from spring growth until buds show colour, then switch to a high-potassium feed to support flower development. Stop feeding once blooms are fully open. 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 chrysanthemum 'anastasia' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Aphids — Heavy infestations on new shoot tips cause distorted growth; control with insecticidal soap or introduce predatory insects such as Aphidoletes aphidimyza.
  • Leaf miners — Winding pale tunnels through leaves; remove affected leaves promptly and use yellow sticky traps to monitor adult fly populations.
  • White rust (Puccinia horiana) — A notifiable disease in some countries causing pale spots on upper leaf surfaces and white pustules below; destroy infected plants and do not compost.
  • Botrytis — Grey mould on flowers and stems in cool, humid conditions; improve airflow and remove infected material immediately.
  • Chrysanthemum eelworm — Brown blotches spreading from leaf base upward; infected plants should be destroyed — no chemical control is available for garden use.

Companion plants

Chrysanthemum 'Anastasia' pairs well with Aster, Sedum, Helenium, and Rudbeckia. 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

Take basal cuttings 7-10 cm long in spring from new shoots at the base of the plant; root in free-draining compost at 15-18°C. Division of established clumps in spring is also successful. 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

Chrysanthemum 'Anastasia' is toxic to pets. Chrysanthemums are listed by the ASPCA as toxic to dogs, cats, and horses. The plants contain pyrethrins, sesquiterpene lactones, and other compounds that can cause vomiting, diarrhoea, drooling, and skin irritation if ingested or contacted. 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.

Chrysanthemum 'Anastasia' care — frequently asked questions

What is the common name for Chrysanthemum 'Anastasia'?

Chrysanthemum 'Anastasia' is most commonly called Chrysanthemum 'Anastasia', but it is also known as Anastasia Chrysanthemum, Disbud Mum, Anastasia Mum. The names refer to the same species, so care instructions for Chrysanthemum 'Anastasia' apply identically to anything sold as Anastasia Chrysanthemum.

How much light does chrysanthemum 'anastasia' need?

Chrysanthemum 'Anastasia' grows best in direct sun (at least 4-6 hours). Full sun (6+ hours) produces sturdy stems and the richest flower colour. As a photoperiod-sensitive plant, 'Anastasia' initiates bud set when day length shortens in late summer; avoid artificial night-lighting near plants.

How often should I water chrysanthemum 'anastasia'?

Water chrysanthemum 'anastasia' when the top 2-3 cm of soil is dry, roughly every 5-7 days in summer. Water consistently to maintain steady growth. Irregular watering causes shoot stress and reduces flower quality. Water at the base of the plant to prevent fungal diseases on foliage, which is particularly susceptible in this variety. 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 chrysanthemum 'anastasia' toxic to cats and dogs?

Chrysanthemum 'Anastasia' is toxic to pets. Chrysanthemums are listed by the ASPCA as toxic to dogs, cats, and horses. The plants contain pyrethrins, sesquiterpene lactones, and other compounds that can cause vomiting, diarrhoea, drooling, and skin irritation if ingested or contacted.

What USDA hardiness zone does chrysanthemum 'anastasia' grow in?

Chrysanthemum 'Anastasia' is rated for USDA zone 5-9 and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Chrysanthemum 'Anastasia' deep-dive guides

Every aspect of chrysanthemum 'anastasia' care, each with its own calibrated guide:

Featured in these plant shortlists

Chrysanthemum 'Anastasia' qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Chrysanthemum 'Anastasia' is also known as Anastasia Chrysanthemum, Disbud Mum, and Anastasia Mum.