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Daylily 'Autumn Minaret' (Autumn Minaret daylily) care

Hemerocallis 'Autumn Minaret'

Also called Autumn Minaret daylily, tall late daylily.

RHS H6USDA 3-9Toxic to petsIndoor 120-150 cm tall in bloom

Watering rhythm

7-14days

Every 7-14 days during active growth; minimal in winter dormancy

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Light

Direct sun (at least 4-6 hours)

Soil

Well-draining fertile loam

Humidity

40-65%

Temp

5-35°C

Pet safety

Toxic to pets

Mature size

120-150 cm tall in bloom

Care at a glance

Light

Daylily 'Autumn Minaret' needs sun on the leaves, not just bright ambient room light. Requires at least 6 hours of direct sun daily for best flowering. In very hot climates, light afternoon shade prevents scorch on the tall scapes without significantly reducing bloom count. 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 'autumn minaret' every 7-14 days during active growth; minimal in winter 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. Established plants are quite drought-tolerant but produce more blooms with regular deep watering during the long bloom period. Mulching retains moisture and keeps roots cool.

Soil and pot

Daylily 'Autumn Minaret' grows best in well-draining fertile loam. Average garden soil enriched with compost suits this cultivar well. Avoid poorly drained or compacted sites — crown rot becomes a risk in waterlogged conditions. pH 6.0–7.0 is preferred. 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 'Autumn Minaret' sits happiest at around 40-65% humidity and 5-35°C (41-95°F). Tolerates variable outdoor humidity. Ensure adequate plant spacing (at least 60 cm given the tall habit) to maintain airflow and reduce fungal disease pressure during autumn when moisture levels rise. 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 'autumn minaret' sparingly. Feed with a balanced slow-release granular fertiliser in spring and a light top-dressing of low-nitrogen fertiliser in early summer to sustain the long growing season through to autumn bloom. Avoid heavy autumn feeding. 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 'autumn minaret' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Wind damage to scapes — The exceptional height makes scapes prone to lodging in exposed sites. Plant in a sheltered spot or stake loosely with bamboo canes before peak height.
  • Daylily rust — Orange pustules on leaves indicate Puccinia hemerocallidis. Remove and destroy affected leaves; apply appropriate fungicide if widespread.
  • Spider mites — In hot, dry conditions stippling of lower leaves may appear. Increase irrigation, improve air circulation, and apply miticide if populations are high.
  • Slug and snail damage — Emerging spring foliage is attractive to slugs. Apply iron phosphate pellets around the crown, or use beer traps.
  • Leaf streak — Yellow-brown streaking caused by fungal infection. Remove affected foliage, especially at season end, and dispose of rather than composting.

Companion plants

Daylily 'Autumn Minaret' pairs well with Miscanthus sinensis, Aster amellus, Rudbeckia hirta, and Echinacea purpurea. 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

Lift and divide congested clumps every 3-4 years in spring or autumn, replanting individual fans 45-60 cm apart. This cultivar rarely produces proliferations on scapes; division is the primary method to maintain vigour and true-to-type plants. 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 'Autumn Minaret' is toxic to pets. Hemerocallis (daylily) is listed by the ASPCA as toxic to cats; all plant parts — including pollen — can cause acute, potentially fatal kidney failure in cats. Dogs may show vomiting or lethargy. This cultivar must be kept out of reach of cats at all times. 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 'Autumn Minaret' care — frequently asked questions

What is the common name for Hemerocallis 'Autumn Minaret'?

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

How much light does daylily 'autumn minaret' need?

Daylily 'Autumn Minaret' grows best in direct sun (at least 4-6 hours). Requires at least 6 hours of direct sun daily for best flowering. In very hot climates, light afternoon shade prevents scorch on the tall scapes without significantly reducing bloom count.

How often should I water daylily 'autumn minaret'?

Water daylily 'autumn minaret' every 7-14 days during active growth; minimal in winter dormancy. Established plants are quite drought-tolerant but produce more blooms with regular deep watering during the long bloom period. Mulching retains moisture and keeps roots cool. 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 'autumn minaret' toxic to cats and dogs?

Daylily 'Autumn Minaret' is toxic to pets. Hemerocallis (daylily) is listed by the ASPCA as toxic to cats; all plant parts — including pollen — can cause acute, potentially fatal kidney failure in cats. Dogs may show vomiting or lethargy. This cultivar must be kept out of reach of cats at all times.

What USDA hardiness zone does daylily 'autumn minaret' grow in?

Daylily 'Autumn Minaret' 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 'Autumn Minaret' deep-dive guides

Every aspect of daylily 'autumn minaret' care, each with its own calibrated guide:

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Daylily 'Autumn Minaret' 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 'Autumn Minaret' is also commonly called Autumn Minaret daylily or tall late daylily.