Growli

Plant care

Champagne Rhubarb (pink rhubarb) care

Rheum × hybridum 'Champagne'

Also called Champagne rhubarb, pink rhubarb.

RHS H6USDA 3-8Toxic to petsIndoor 60-100 cm tall and roughly 90-120 cm wide when mature

Watering rhythm

Direct sun (at least 4-6 hours)

Deeply once or twice a week through spring and summer

Light

Direct sun (at least 4-6 hours)

Soil

Rich, deep, free-draining loam improved with organic matter

Humidity

Ambient outdoor

Temp

-20 to 24°C

Pet safety

Toxic to pets

Mature size

60-100 cm tall and roughly 90-120 cm wide when mature

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun gives the best colour and yield, with some tolerance of partial shade. When forced under a pot or in a dark shed the stalks blanch to a sweeter, paler pink. If your only bright window faces south, that's perfect for champagne rhubarb — same window any aroid would fry on.

Watering

Crops like champagne rhubarb reward consistent watering — deeply once or twice a week through spring and summer. The mistake is the daily light sprinkle: it never reaches the deeper roots. A long soak twice a week beats a five-minute splash every day. Maintain even soil moisture while stems develop; uneven watering produces stringy stalks. Mature crowns cope with short dry spells but crop best with steady moisture and a moisture-retaining mulch.

Soil and pot

Champagne Rhubarb grows best in rich, deep, free-draining loam improved with organic matter. Responds to heavy manuring. Incorporate plenty of well-rotted compost or manure at planting and choose a site that does not flood in winter. A near-neutral, slightly acidic pH of 6.0-6.8 suits it well. 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

Champagne Rhubarb sits happiest at around Ambient outdoor humidity and -20 to 24°C (-4 to 75°F). A hardy outdoor perennial with no humidity requirements; soil moisture matters, not air moisture. Forcing in a cellar or shed needs no humidity control. 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 champagne rhubarb sparingly. A heavy feeder. Mulch with well-rotted manure in late winter and apply a balanced general fertiliser in early spring as growth begins. Top up with compost after the main harvest. Ease off feeding in late summer so the crown hardens before dormancy. 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 champagne rhubarb in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Premature boltingDrought or heat stress sends up flower spikes that sap the crown. Remove them at the base immediately and keep the plant well watered and mulched.
  • Crown rot in wet soilSitting in waterlogged ground over winter rots the crown. Plant on free-draining soil or a raised mound and keep heavy mulch off the crown's centre.
  • Slug damage on emerging shootsSlugs and snails shred tender young stalks in spring. Clear debris around the crown and use barriers or traps as new growth emerges.
  • Declining vigourOld, congested clumps produce thin stems. Divide every 5-6 years and feed heavily with manure to revive cropping.

Propagation

Lift a dormant crown in late autumn or winter and divide it with a spade so each piece carries at least one healthy bud, then replant at once with the bud at soil level. Division keeps the cultivar true; seed will not reliably reproduce 'Champagne'. 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

Champagne Rhubarb is toxic to pets. ASPCA classifies rhubarb as toxic to dogs, cats and horses, due to soluble calcium oxalates concentrated in the leaves. Documented signs include kidney failure, tremors and salivation. Only the cooked stalks are edible for people; keep pets away from the leaf blades and discarded 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.

Champagne Rhubarb care — frequently asked questions

What is the common name for Rheum × hybridum 'Champagne'?

Rheum × hybridum 'Champagne' is most commonly called Champagne Rhubarb, but it is also known as Champagne rhubarb, pink rhubarb. The names refer to the same species, so care instructions for Champagne Rhubarb apply identically to anything sold as pink rhubarb.

How much light does champagne rhubarb need?

Champagne Rhubarb grows best in direct sun (at least 4-6 hours). Full sun gives the best colour and yield, with some tolerance of partial shade. When forced under a pot or in a dark shed the stalks blanch to a sweeter, paler pink.

How often should I water champagne rhubarb?

Water champagne rhubarb deeply once or twice a week through spring and summer. Maintain even soil moisture while stems develop; uneven watering produces stringy stalks. Mature crowns cope with short dry spells but crop best with steady moisture and a moisture-retaining mulch. 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 champagne rhubarb toxic to cats and dogs?

Champagne Rhubarb is toxic to pets. ASPCA classifies rhubarb as toxic to dogs, cats and horses, due to soluble calcium oxalates concentrated in the leaves. Documented signs include kidney failure, tremors and salivation. Only the cooked stalks are edible for people; keep pets away from the leaf blades and discarded foliage.

What USDA hardiness zone does champagne rhubarb grow in?

Champagne Rhubarb is rated for USDA zone 3-8 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Champagne Rhubarb deep-dive guides

Every aspect of champagne rhubarb care, each with its own calibrated guide:

Related guides

Champagne Rhubarb is also commonly called Champagne rhubarb or pink rhubarb.