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Daylily 'Tiger Bloodlines' (Tiger Bloodlines daylily) care

Hemerocallis 'Tiger Bloodlines'

Also called Tiger Bloodlines daylily.

RHS H6USDA 3-9Toxic to petsIndoor 70-85 cm tall in bloom

Watering rhythm

7-10days

Every 7-10 days during the growing season, or when the top 5 cm of soil is dry

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Light

Direct sun (at least 4-6 hours)

Soil

Fertile, well-draining loam or amended garden soil

Humidity

40-70%

Temp

-15-35°C

Pet safety

Toxic to pets

Mature size

70-85 cm tall in bloom

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun (6+ hours daily) is recommended to develop the full intensity of the eye-zone patterning and produce the maximum number of flower scapes. Light afternoon shade is tolerable in very hot, dry climates. If your only bright window faces south, that's perfect for daylily 'tiger bloodlines' — same window any aroid would fry on.

Watering

Watering daylily 'tiger bloodlines': every 7-10 days during the growing season, or when the top 5 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. Deep, infrequent watering is preferable to frequent shallow irrigation. Consistent moisture during bud development improves flower size and scape count. Drought-tolerant once established.

Soil and pot

Daylily 'Tiger Bloodlines' grows best in fertile, well-draining loam or amended garden soil. Grows vigorously in moderately fertile, well-drained soil. Improve heavy clay with grit and organic matter before planting. Mulch annually to conserve moisture and suppress weeds. 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 'Tiger Bloodlines' sits happiest at around 40-70% humidity and -15-35°C (5-95°F). No special humidity requirements for outdoor cultivation. Spacing plants adequately promotes good air circulation and reduces fungal disease pressure. 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 daylily 'tiger bloodlines' sparingly. Apply a balanced slow-release granular fertiliser in early spring. Supplement with a liquid potassium-rich feed when flower buds form to deepen the eye-zone colour. Avoid heavy nitrogen feeds. 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 'tiger bloodlines' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Daylily rust — Produces orange-yellow spore pustules on foliage; rake up and destroy infected leaves and treat with a systemic fungicide if severe.
  • Aphids — Congregate on buds and new growth in spring; blast off with water or use insecticidal soap spray.
  • Thrips — Cause petal streaking and can distort the distinctive eye-zone markings; treat with spinosad or neem oil early in the season.
  • Slug and snail damage — Target young foliage in spring; iron phosphate baits are effective and safe around other wildlife.
  • Clump decline — Overcrowded clumps produce fewer and smaller blooms; lift and divide every 4-5 years to restore vigour.

Companion plants

Daylily 'Tiger Bloodlines' pairs well with Rudbeckia hirta, Kniphofia 'Royal Standard', Helenium 'Moerheim Beauty', and Miscanthus sinensis. 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

Propagate by division of established clumps in early spring or late summer; replant vigorous outer fans with attached roots at the original crown depth. Seed-grown plants will not reproduce the cultivar's patterning. 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 'Tiger Bloodlines' is toxic to pets. All Hemerocallis (daylily) cultivars are listed by the ASPCA as toxic to cats — ingestion of any part of the plant, including pollen, can cause acute kidney failure and is potentially fatal. Also mildly toxic to dogs and horses. Cats must be kept strictly away from all daylily varieties. 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 'Tiger Bloodlines' care — frequently asked questions

What is the common name for Hemerocallis 'Tiger Bloodlines'?

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

How much light does daylily 'tiger bloodlines' need?

Daylily 'Tiger Bloodlines' grows best in direct sun (at least 4-6 hours). Full sun (6+ hours daily) is recommended to develop the full intensity of the eye-zone patterning and produce the maximum number of flower scapes. Light afternoon shade is tolerable in very hot, dry climates.

How often should I water daylily 'tiger bloodlines'?

Water daylily 'tiger bloodlines' every 7-10 days during the growing season, or when the top 5 cm of soil is dry. Deep, infrequent watering is preferable to frequent shallow irrigation. Consistent moisture during bud development improves flower size and scape count. Drought-tolerant once established. 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 'tiger bloodlines' toxic to cats and dogs?

Daylily 'Tiger Bloodlines' is toxic to pets. All Hemerocallis (daylily) cultivars are listed by the ASPCA as toxic to cats — ingestion of any part of the plant, including pollen, can cause acute kidney failure and is potentially fatal. Also mildly toxic to dogs and horses. Cats must be kept strictly away from all daylily varieties.

What USDA hardiness zone does daylily 'tiger bloodlines' grow in?

Daylily 'Tiger Bloodlines' 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 'Tiger Bloodlines' deep-dive guides

Every aspect of daylily 'tiger bloodlines' care, each with its own calibrated guide:

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Daylily 'Tiger Bloodlines' qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Daylily 'Tiger Bloodlines' is also commonly called Tiger Bloodlines daylily.