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Plant care

Canna 'Striped Beauty' (Striped Beauty Canna Lily) care

Canna 'Striped Beauty'

Also called Striped Beauty Canna Lily.

RHS H3USDA 8-11Mildly toxic to petsIndoor 90-120 cm tall

Watering rhythm

2-4days

Water every 2-4 days to maintain moist (not soggy) soil throughout the growing season

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Light

Direct sun (at least 4-6 hours)

Soil

Fertile, well-drained loam enriched with organic matter

Humidity

40-65%

Temp

15-30°C

Pet safety

Mildly toxic to pets

Mature size

90-120 cm tall

Care at a glance

Light

Most houseplants will scorch where canna 'striped beauty' thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun intensifies the creamy-white variegation in the foliage and promotes prolific flowering. Adequate direct sunlight prevents the leaves from reverting to predominantly green. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for water every 2-4 days to maintain moist (not soggy) soil throughout the growing season for canna 'striped beauty', 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. Striped variegated foliage can scorch if roots dry out in heat. Mulch around the base to conserve moisture. Reduce watering frequency as days shorten in autumn.

Soil and pot

Canna 'Striped Beauty' grows best in fertile, well-drained loam enriched with organic matter. Enrich planting areas generously with compost. 'Striped Beauty' grows well in large containers filled with loam-based potting compost amended with perlite for drainage. 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

Canna 'Striped Beauty' sits happiest at around 40-65% humidity and 15-30°C (59-86°F). Performs well in average outdoor humidity. Good air movement helps prevent fungal diseases, while avoiding very dry, windy conditions that cause leaf tip browning. If you keep the room above 15 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 canna 'striped beauty' sparingly. Feed with a balanced liquid fertiliser every 2-3 weeks during the growing season. Incorporating a slow-release granular fertiliser at planting time supports steady growth without excessive nitrogen that can cause lush, soft growth prone to pests. 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 canna 'striped beauty' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Leaf variegation loss — Shoots may occasionally revert to plain green. Remove reverted shoots at the base promptly to preserve the variegated appearance.
  • Canna leaf roller — Caterpillars roll young leaves and feed within. Hand-pick or apply a Bt-based spray.
  • Rust — Orange, powdery pustules on leaf undersides. Remove affected leaves and avoid overhead irrigation.
  • Aphids — Attack tender new growth. Treat with insecticidal soap or strong water spray; aphids can transmit viruses.
  • Rhizome rot in storage — Rhizomes stored in damp conditions develop soft rot. Cure for several days in a dry, frost-free place before packing in barely moist vermiculite.

Companion plants

Canna 'Striped Beauty' pairs well with Agapanthus, Canna 'Pacific Beauty', Hemerocallis, and Lychnis chalcedonica. 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 rhizomes in spring, ensuring each section has at least one viable bud. Start in pots in a heated greenhouse (18°C minimum) 4-6 weeks before the last frost to get the season off to an early start. 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

Canna 'Striped Beauty' is mildly toxic to pets. Not individually listed by the ASPCA. The Canna genus is considered to have low toxicity; mild gastrointestinal upset is possible if ingested by cats or dogs. 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.

Canna 'Striped Beauty' care — frequently asked questions

What is the common name for Canna 'Striped Beauty'?

Canna 'Striped Beauty' is most commonly called Canna 'Striped Beauty', but it is also known as Striped Beauty Canna Lily. The names refer to the same species, so care instructions for Canna 'Striped Beauty' apply identically to anything sold as Striped Beauty Canna Lily.

How much light does canna 'striped beauty' need?

Canna 'Striped Beauty' grows best in direct sun (at least 4-6 hours). Full sun intensifies the creamy-white variegation in the foliage and promotes prolific flowering. Adequate direct sunlight prevents the leaves from reverting to predominantly green.

How often should I water canna 'striped beauty'?

Water canna 'striped beauty' water every 2-4 days to maintain moist (not soggy) soil throughout the growing season. Striped variegated foliage can scorch if roots dry out in heat. Mulch around the base to conserve moisture. Reduce watering frequency as days shorten in autumn. 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 canna 'striped beauty' toxic to cats and dogs?

Canna 'Striped Beauty' is mildly toxic to pets. Not individually listed by the ASPCA. The Canna genus is considered to have low toxicity; mild gastrointestinal upset is possible if ingested by cats or dogs.

What USDA hardiness zone does canna 'striped beauty' grow in?

Canna 'Striped Beauty' is rated for USDA zone 8-11 and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Canna 'Striped Beauty' deep-dive guides

Every aspect of canna 'striped beauty' care, each with its own calibrated guide:

Featured in these plant shortlists

Canna 'Striped Beauty' qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Canna 'Striped Beauty' is also commonly called Striped Beauty Canna Lily.