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Plant care

Daylily 'Little Grapette' (Little Grapette daylily) care

Hemerocallis 'Little Grapette'

Also called Little Grapette daylily, purple miniature daylily, grape daylily.

RHS H6USDA 3-9Toxic to petsIndoor 30-40 cm tall in bloom

Watering rhythm

7-10days

Every 7-10 days during active growth; every 2-3 weeks in dormancy

Light

Direct sun (at least 4-6 hours)

Soil

Moderately fertile, well-draining loam or container potting mix with added perlite

Humidity

40-65%

Temp

5-32°C

Pet safety

Toxic to pets

Mature size

30-40 cm tall in bloom

Care at a glance

Light

Daylily 'Little Grapette' needs sun on the leaves, not just bright ambient room light. Full sun (6+ hours) produces the deepest purple colour and maximum bloom count. The richly pigmented blooms retain their colour best in full sun with some afternoon shade in zones 8-9; without adequate light the purple tones become dull and bluish. 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 daylily 'little grapette' every 7-10 days during active growth; every 2-3 weeks in dormancy. 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. Regular watering extends the long bloom season. Miniature cultivars in containers dry out faster than in-ground plants — check container moisture every 3-4 days in summer and water when the top 2 cm of mix is dry. Always water at the base.

Soil and pot

Daylily 'Little Grapette' grows best in moderately fertile, well-draining loam or container potting mix with added perlite. Tolerates average garden soil but responds well to compost enrichment. In containers, use a free-draining potting mix with 20% added perlite. Repot every 1-2 years to refresh fertility. pH 6.0–7.0 in ground or containers. 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

Daylily 'Little Grapette' sits happiest at around 40-65% humidity and 5-32°C (41-90°F). Adapts to typical garden and patio humidity without difficulty. In containers on sheltered patios where humidity concentrates, ensure good airflow to reduce fungal pressure. Space in-ground plants 30-40 cm apart. 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 daylily 'little grapette' sparingly. Apply a balanced granular fertiliser in spring. A mid-season liquid feed with a bloom formula (higher P/K) after the first flush encourages continued prolific flowering. Container-grown plants need more frequent feeding — a diluted balanced liquid fertiliser fortnightly during the growing season. 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 daylily 'little grapette' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Rootbound in containersThe prolific, fibrous root system fills containers quickly. Repot or divide every 1-2 years to prevent stunted growth and reduced flowering in container-grown plants.
  • Purple colour fadingIn very hot climates above 35°C the rich purple tones bleach to lavender-blue. Move containers to a sheltered spot with afternoon shade during heat waves.
  • Gall midgeContarinia quinquenotata larvae cause swollen, aborted buds — particularly problematic given the large number of buds produced by this prolific cultivar. Remove and destroy all affected buds promptly.
  • AphidsAttracted to the multiple buds on well-branched scapes. Monitor regularly and treat with insecticidal soap or water jet at first sign of colonies.
  • RustPuccinia hemerocallidis pustules on leaves. Remove affected foliage and treat with an appropriate fungicide if infection spreads beyond a few leaves.

Companion plants

Daylily 'Little Grapette' pairs well with Lavandula angustifolia 'Hidcote', Allium 'Purple Sensation', Salvia nemorosa 'Caradonna', and Agapanthus 'Blue Storm'. 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 or autumn by lifting and separating fans. Container-grown plants benefit from annual or biennial division to maintain vigour and prolific bloom. 'Little Grapette' can also produce proliferations on scapes; pot these up in moist compost when roots reach 2-3 cm. 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

Daylily 'Little Grapette' is toxic to pets. Hemerocallis (daylily) is listed by the ASPCA as toxic to cats; all plant parts — including pollen — can cause acute kidney failure in cats, which may be fatal. Dogs may experience gastrointestinal upset. As a popular container and patio plant, 'Little Grapette' must never be placed where cats can access it. 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.

Daylily 'Little Grapette' care — frequently asked questions

What is the common name for Hemerocallis 'Little Grapette'?

Hemerocallis 'Little Grapette' is most commonly called Daylily 'Little Grapette', but it is also known as Little Grapette daylily, purple miniature daylily, grape daylily. The names refer to the same species, so care instructions for Daylily 'Little Grapette' apply identically to anything sold as Little Grapette daylily.

How much light does daylily 'little grapette' need?

Daylily 'Little Grapette' grows best in direct sun (at least 4-6 hours). Full sun (6+ hours) produces the deepest purple colour and maximum bloom count. The richly pigmented blooms retain their colour best in full sun with some afternoon shade in zones 8-9; without adequate light the purple tones become dull and bluish.

How often should I water daylily 'little grapette'?

Water daylily 'little grapette' every 7-10 days during active growth; every 2-3 weeks in dormancy. Regular watering extends the long bloom season. Miniature cultivars in containers dry out faster than in-ground plants — check container moisture every 3-4 days in summer and water when the top 2 cm of mix is dry. Always water at the base. 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 daylily 'little grapette' toxic to cats and dogs?

Daylily 'Little Grapette' is toxic to pets. Hemerocallis (daylily) is listed by the ASPCA as toxic to cats; all plant parts — including pollen — can cause acute kidney failure in cats, which may be fatal. Dogs may experience gastrointestinal upset. As a popular container and patio plant, 'Little Grapette' must never be placed where cats can access it.

What USDA hardiness zone does daylily 'little grapette' grow in?

Daylily 'Little Grapette' is rated for USDA zone 3-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Daylily 'Little Grapette' deep-dive guides

Every aspect of daylily 'little grapette' care, each with its own calibrated guide:

Featured in these plant shortlists

Daylily 'Little Grapette' qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Daylily 'Little Grapette' is also known as Little Grapette daylily, purple miniature daylily, and grape daylily.