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Chrysanthemum 'Country Girl' (Country Girl mum) care

Chrysanthemum 'Country Girl'

Also called Country Girl mum, hardy garden chrysanthemum.

RHS H5USDA 4-9Toxic to petsIndoor 45-75 cm tall

Watering rhythm

5-7days

Every 5-7 days in summer; reduce in autumn as growth slows

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Light

Direct sun (at least 4-6 hours)

Soil

Fertile, free-draining loam

Humidity

40-60%

Temp

4-25°C

Pet safety

Toxic to pets

Mature size

45-75 cm tall

Care at a glance

Light

Chrysanthemum 'Country Girl' needs sun on the leaves, not just bright ambient room light. Needs full sun — at least 6 hours of direct sunlight daily. Good light improves stem stiffness, prevents legginess, and encourages prolific blooming from late summer onwards. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water chrysanthemum 'country girl' every 5-7 days in summer; reduce in autumn as growth slows. 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. Water at the base, keeping foliage dry to reduce fungal risk. During dry spells in bud set, consistent moisture is important. Reduce irrigation significantly in autumn and winter.

Soil and pot

Chrysanthemum 'Country Girl' grows best in fertile, free-draining loam. Enrich with compost or well-rotted manure before planting. A pH of 6.0-7.0 suits this variety. Avoid waterlogged or compacted soils that restrict root development. 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 'Country Girl' sits happiest at around 40-60% humidity and 4-25°C (39-77°F). Moderate ambient humidity is fine. Good air circulation around the plant is more critical than specific humidity levels — space plants 45-60 cm apart to minimise mildew and botrytis. If you keep the room above 4 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 'country girl' sparingly. Apply a general-purpose slow-release fertiliser in spring. Switch to a high-potassium liquid feed applied every two weeks from midsummer to boost flowering through autumn. 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 'country girl' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildew — White powder on older leaves, particularly in warm, dry spells. Improve spacing and air movement; apply sulphur spray at first sign.
  • Aphid infestations — Soft new growth attracts aphid colonies. Control with insecticidal soap or a forceful water spray; check undersides of leaves.
  • Flopping stems — Insufficient light or late pinching leads to weak, lax stems. Pinch back tips in late spring to encourage branching and a self-supporting habit.
  • Leaf spot — Circular brown spots with yellow halos on foliage, caused by fungal or bacterial pathogens. Remove affected leaves and avoid overhead watering.
  • Poor winter survival — In colder zones, mulch the crown in late autumn with dry straw or bracken to insulate roots against hard frosts.

Companion plants

Chrysanthemum 'Country Girl' pairs well with Sedum spectabile, Aster novi-belgii, Helenium autumnale, and Echinacea purpurea. 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 clumps every 2-3 years in spring, discarding the old woody centre and replanting vigorous outer sections. Basal stem cuttings taken in spring root readily in a free-draining propagation mix. 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 'Country Girl' is toxic to pets. The ASPCA lists Chrysanthemum as toxic to dogs, cats, and horses. Pyrethrins and other sesquiterpene lactones in all plant parts can cause vomiting, diarrhoea, hypersalivation, incoordination, and skin irritation. Keep pets away from flowers and foliage. 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 'Country Girl' care — frequently asked questions

What is the common name for Chrysanthemum 'Country Girl'?

Chrysanthemum 'Country Girl' is most commonly called Chrysanthemum 'Country Girl', but it is also known as Country Girl mum, hardy garden chrysanthemum. The names refer to the same species, so care instructions for Chrysanthemum 'Country Girl' apply identically to anything sold as Country Girl mum.

How much light does chrysanthemum 'country girl' need?

Chrysanthemum 'Country Girl' grows best in direct sun (at least 4-6 hours). Needs full sun — at least 6 hours of direct sunlight daily. Good light improves stem stiffness, prevents legginess, and encourages prolific blooming from late summer onwards.

How often should I water chrysanthemum 'country girl'?

Water chrysanthemum 'country girl' every 5-7 days in summer; reduce in autumn as growth slows. Water at the base, keeping foliage dry to reduce fungal risk. During dry spells in bud set, consistent moisture is important. Reduce irrigation significantly in autumn and winter. 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 'country girl' toxic to cats and dogs?

Chrysanthemum 'Country Girl' is toxic to pets. The ASPCA lists Chrysanthemum as toxic to dogs, cats, and horses. Pyrethrins and other sesquiterpene lactones in all plant parts can cause vomiting, diarrhoea, hypersalivation, incoordination, and skin irritation. Keep pets away from flowers and foliage.

What USDA hardiness zone does chrysanthemum 'country girl' grow in?

Chrysanthemum 'Country Girl' is rated for USDA zone 4-9 and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Chrysanthemum 'Country Girl' deep-dive guides

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

Featured in these plant shortlists

Chrysanthemum 'Country Girl' 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 'Country Girl' is also commonly called Country Girl mum or hardy garden chrysanthemum.