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Plant care

Chrysanthemum 'Hillside Pink Sheffield' (Pink Sheffield Mum) care

Chrysanthemum 'Hillside Pink Sheffield'

Also called Pink Sheffield Mum, Sheffield Pink Chrysanthemum, Hillside Pink.

RHS H6USDA 4-9Toxic to petsIndoor 60-90 cm tall

Watering rhythm

5-7days

Every 5-7 days when the top 2-3 cm of soil is dry

Light

Direct sun (at least 4-6 hours)

Soil

Well-draining loam or sandy loam

Humidity

40-60%

Temp

5-22°C

Pet safety

Toxic to pets

Mature size

60-90 cm tall

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun (6+ hours) is strongly preferred; this vigorous cultivar will reach its full potential bloom density and height only in full sun. Light shade is tolerated but significantly reduces flower production and increases the risk of powdery mildew. If your only bright window faces south, that's perfect for chrysanthemum 'hillside pink sheffield' — same window any aroid would fry on.

Watering

Watering chrysanthemum 'hillside pink sheffield': every 5-7 days when the top 2-3 cm of soil is dry. 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. Once established in the ground, Sheffield mums are relatively drought-tolerant compared to florist types. Water regularly through the growing season but avoid waterlogging, particularly over winter when the crowns are dormant.

Soil and pot

Chrysanthemum 'Hillside Pink Sheffield' grows best in well-draining loam or sandy loam. Sheffield mums tolerate a wide range of soil types but drainage is critical — they are more cold-tolerant when grown in well-drained soil. Amend heavy clay with grit or coarse sand. Neutral to slightly acid pH of 6.0-7.0 is ideal. 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 'Hillside Pink Sheffield' sits happiest at around 40-60% humidity and 5-22°C (41-72°F). Tolerates typical outdoor humidity across a wide range of climates. The late-season flowers may be damaged by prolonged autumn rain; planting near a wall or fence provides some protection. If you keep the room above 5 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 'hillside pink sheffield' sparingly. Apply a balanced granular fertiliser in spring, then switch to a high-potassium liquid feed fortnightly from bud initiation until the blooms show full colour. No feeding is required once in full flower. 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 'hillside pink sheffield' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildewCan affect foliage in late summer, especially on the lower leaves of this vigorous spreader; improve airflow and remove affected leaves.
  • Botrytis on autumn bloomsGrey mould on petals during damp autumns; remove spent flowers and debris from around the base of the plant.
  • Crown rotExcessive winter moisture in heavy soils causes crown rot; improve drainage before planting and mulch the crown lightly after foliage dies back.
  • AphidsAppear on new shoot tips in spring; control early with insecticidal soap to prevent colonies building up before flowering.
  • SlugsDamage emerging spring shoots; biological nematode treatments are effective and safe around pets when applied correctly.

Companion plants

Chrysanthemum 'Hillside Pink Sheffield' pairs well with Anemone x hybrida, Aster novi-belgii, Penstemon, and Sedum. 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 established clumps every 2-3 years in early spring to maintain vigour and prevent the centre from becoming woody. Basal cuttings taken in spring root quickly in free-draining compost. 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 'Hillside Pink Sheffield' is toxic to pets. Chrysanthemums are listed by the ASPCA as toxic to dogs, cats, and horses. All plant parts contain pyrethrins and sesquiterpene lactones, which may cause gastrointestinal distress, skin irritation, and in severe cases, neurological signs in pets. 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 'Hillside Pink Sheffield' care — frequently asked questions

What is the common name for Chrysanthemum 'Hillside Pink Sheffield'?

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

How much light does chrysanthemum 'hillside pink sheffield' need?

Chrysanthemum 'Hillside Pink Sheffield' grows best in direct sun (at least 4-6 hours). Full sun (6+ hours) is strongly preferred; this vigorous cultivar will reach its full potential bloom density and height only in full sun. Light shade is tolerated but significantly reduces flower production and increases the risk of powdery mildew.

How often should I water chrysanthemum 'hillside pink sheffield'?

Water chrysanthemum 'hillside pink sheffield' every 5-7 days when the top 2-3 cm of soil is dry. Once established in the ground, Sheffield mums are relatively drought-tolerant compared to florist types. Water regularly through the growing season but avoid waterlogging, particularly over winter when the crowns are dormant. 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 'hillside pink sheffield' toxic to cats and dogs?

Chrysanthemum 'Hillside Pink Sheffield' is toxic to pets. Chrysanthemums are listed by the ASPCA as toxic to dogs, cats, and horses. All plant parts contain pyrethrins and sesquiterpene lactones, which may cause gastrointestinal distress, skin irritation, and in severe cases, neurological signs in pets.

What USDA hardiness zone does chrysanthemum 'hillside pink sheffield' grow in?

Chrysanthemum 'Hillside Pink Sheffield' is rated for USDA zone 4-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Chrysanthemum 'Hillside Pink Sheffield' deep-dive guides

Every aspect of chrysanthemum 'hillside pink sheffield' care, each with its own calibrated guide:

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Related guides

Chrysanthemum 'Hillside Pink Sheffield' is also known as Pink Sheffield Mum, Sheffield Pink Chrysanthemum, and Hillside Pink.