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Plant care

Heuchera 'Peach Flambe' (Coral Bells 'Peach Flambe') care

Heuchera 'Peach Flambe'

Also called Coral Bells 'Peach Flambe', Alumroot 'Peach Flambe'.

RHS H6USDA 4-9Pet-safeIndoor 25-35 cm tall

Watering rhythm

7-10days

When the top 2-3 cm of soil is dry, roughly every 7-10 days in the growing season

Light

Medium indirect light (a couple of metres from a window)

Soil

Humus-rich, free-draining loam

Humidity

40-60%

Temp

5-25°C

Pet safety

Pet-safe

Mature size

25-35 cm tall

Care at a glance

Light

Heuchera 'Peach Flambe' wants the spot a few feet back from a sunny window — bright enough to read a paperback at noon, but the sun never falls directly on the leaves. Partial shade with some morning sun produces the best peach and apricot leaf colouring. The warm tones deepen in autumn as temperatures drop. Sustained afternoon sun in warm climates bleaches the foliage and reduces the plant's vigour. A faint hand shadow at midday is the right amount; a sharp dark shadow means it's getting direct sun and probably too much.

Watering

Water heuchera 'peach flambe' when the top 2-3 cm of soil is dry, roughly every 7-10 days in the growing season. 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. Consistent moisture maintains healthy foliage and supports summer flowering. Reduce watering in autumn and winter as the plant semi-rests. Avoid waterlogging at all times — the crown is highly susceptible to rot in wet conditions.

Soil and pot

Heuchera 'Peach Flambe' grows best in humus-rich, free-draining loam. Amend heavy clay soils with grit and organic matter before planting. Good drainage at the crown is critical; planting on a slight incline or in a raised bed helps in wetter gardens. Target pH of 6.0-7.0. 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

Heuchera 'Peach Flambe' sits happiest at around 40-60% humidity and 5-25°C (41-77°F). Average garden humidity is fine. Proper spacing and airflow reduce the incidence of fungal leaf spots and botrytis. No misting is required and excess humidity in still, shaded conditions should be avoided. 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 heuchera 'peach flambe' sparingly. Feed with a balanced granular fertiliser in early spring. Supplement with a half-strength balanced liquid feed once in early summer to prolong the flowering period. Avoid high-nitrogen fertilisers, which produce soft, lush growth that detracts from the warm autumn colouring. 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 heuchera 'peach flambe' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Crown rotWet soil held against the crown rapidly leads to rot; ensure free-draining planting conditions and do not over-mulch around the stem.
  • Vine weevil larvaeInvisible root grubs cause abrupt plant collapse; preventive nematode application (Steinernema kraussei) in late summer is the most effective control.
  • RustOrange-brown spore patches on leaf undersides in humid, warm weather; remove affected leaves and apply a copper fungicide at first sign.
  • Leaf colour fadingThe peach tones fade in full shade or intense summer heat; position where morning sun and afternoon shade can be reliably achieved.
  • Slugs and snailsYoung spring foliage is especially vulnerable; use grit, copper tape, or wildlife-safe pellets around emerging growth.

Companion plants

Heuchera 'Peach Flambe' pairs well with Hosta, Astilbe, Tiarella, and Pulmonaria. 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 3-4 years in early spring or early autumn. Use a sharp, clean knife to separate side-crowns with intact roots from the older central section. Replant divisions promptly at the correct depth and water thoroughly to settle them in. New growth typically appears within 3-4 weeks. 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

Heuchera 'Peach Flambe' is pet-safe. Heuchera is listed by the ASPCA as non-toxic to dogs, cats, and horses. No toxic compounds are associated with this genus at garden exposure levels. 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.

Heuchera 'Peach Flambe' care — frequently asked questions

What is the common name for Heuchera 'Peach Flambe'?

Heuchera 'Peach Flambe' is most commonly called Heuchera 'Peach Flambe', but it is also known as Coral Bells 'Peach Flambe', Alumroot 'Peach Flambe'. The names refer to the same species, so care instructions for Heuchera 'Peach Flambe' apply identically to anything sold as Coral Bells 'Peach Flambe'.

How much light does heuchera 'peach flambe' need?

Heuchera 'Peach Flambe' grows best in medium indirect light (a couple of metres from a window). Partial shade with some morning sun produces the best peach and apricot leaf colouring. The warm tones deepen in autumn as temperatures drop. Sustained afternoon sun in warm climates bleaches the foliage and reduces the plant's vigour.

How often should I water heuchera 'peach flambe'?

Water heuchera 'peach flambe' when the top 2-3 cm of soil is dry, roughly every 7-10 days in the growing season. Consistent moisture maintains healthy foliage and supports summer flowering. Reduce watering in autumn and winter as the plant semi-rests. Avoid waterlogging at all times — the crown is highly susceptible to rot in wet conditions. 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 heuchera 'peach flambe' toxic to cats and dogs?

Heuchera 'Peach Flambe' is pet-safe. Heuchera is listed by the ASPCA as non-toxic to dogs, cats, and horses. No toxic compounds are associated with this genus at garden exposure levels.

What USDA hardiness zone does heuchera 'peach flambe' grow in?

Heuchera 'Peach Flambe' 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.

Heuchera 'Peach Flambe' deep-dive guides

Every aspect of heuchera 'peach flambe' care, each with its own calibrated guide:

Featured in these plant shortlists

Heuchera 'Peach Flambe' qualifies for 11 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplantsHouseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best low-light houseplantsHouseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
  • Best plants for a north-facing windowHouseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
  • Best pet-safe low-light plantsNon-toxic to cats and dogs AND happy with no direct sun — the two hardest constraints to satisfy at once.
  • Best plants for cold, dark roomsHouseplants that cope with BOTH low light and a cool, unheated room — the hardest indoor spot to fill. Every pick tolerates a low of about 10°C and shade.
  • Best flowering houseplantsIndoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
  • Best pet-safe flowering plantsFlowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
  • Best houseplants for a cool roomHouseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
  • Best pet-safe bedroom plantsNon-toxic to cats and dogs and happy in lower light — calming greenery for a bedroom where a pet often sleeps too.
  • Best cat-safe plantsHouseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plantsHouseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
  • Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Heuchera 'Peach Flambe' is also commonly called Coral Bells 'Peach Flambe' or Alumroot 'Peach Flambe'.