Why did my plant disappear in summer?

It is a natural part of its cycle to go dormant and die back to the ground once the weather gets hot.

Does it need full sun?

It prefers partial shade and will struggle in the intense heat of full sun.

Plant guide

Doronicum.

Doronicum orientale

Pronounced doh-RON-ih-kum or-ee-en-TAY-lee

Also known as Oriental False Leopardbane, Oriental leopard's-bane

Leopard's-bane — Photo by Lyrae (CC BY) via iNaturalist

This cheerful perennial brings a burst of sunny yellow color to your garden early in the season. It loves cool, moist spots and often goes dormant when the summer heat kicks in. It's a wonderful choice for brightening up those shady corners.

At a glance

Care level: Easy
Plant type: Herbaceous perennial
Light: Partial shade to full shade
Indoor light: Bright indirect
Water: Every 3 to 7 days
Mature size: 45cm tall by 45cm wide
Growth rate: Medium
Hardiness: USDA 4 to 8
Bloom time: Mid to late spring

Care

Keep the soil consistently moist and provide protection from harsh afternoon sun. Watch for wilting during hot spells, as this is a sign the plant is entering its summer dormancy. You can tidy up the foliage once it yellows and dies back.

Watering: Keep the soil evenly moist but not waterlogged throughout the growing season.
Feeding: Apply a balanced liquid fertilizer once in early spring as new growth emerges.
Pruning: Cut the plant back to the ground after the foliage yellows and dies back in mid-summer.
Repotting: Divide the clumps every few years in autumn to keep the plant vigorous.
Soil: Well-draining, humus-rich soil
Soil pH: Neutral to slightly alkaline
Temperature: -25 to 30°C
Humidity: 40 to 70%
Drought tolerance: Low
Lifespan: Perennial, typically 3 to 5 years.
Deer and rabbits: Moderate

Signs it needs repotting

Roots growing out of the drainage holes.
Water sitting on the surface of the soil.
Reduced flowering compared to previous years.

Safety

People: The plant contains sesquiterpene lactones which can cause skin irritation upon contact.
Pets: This plant is generally considered non-toxic to cats and dogs.
Children: Keep children away from the plant as ingestion of any part may cause mild stomach distress.
Contact allergens: Handling the foliage may cause dermatitis in sensitive individuals.
Airborne allergens: The pollen is generally not considered a major allergen but can affect those with severe Asteraceae sensitivities.
Edibility: This plant is not intended for consumption and may cause digestive upset if ingested.

How to identify it

Daisy like yellow flowers
Heart shaped basal leaves
Bright green foliage
Clump forming growth habit

Height: 0.3 to 0.6m
Spread: 0.3 to 0.45m
Leaves: bright green, deciduous
Flowers: yellow, 5 to 8cm

Problems to watch for

AphidsCommon
Root RotCommon
Powdery MildewUncommon
Slugs and SnailsUncommon

By symptom

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Growing it

Propagation: division, seed
When to plant: spring, autumn
Overwintering: The plant is hardy and requires no special protection, but a light layer of mulch can help maintain soil moisture during early spring.
In containers: It grows well in containers if provided with a cool, shaded spot and consistent moisture.

Division

1. Dig up the clump after flowering has finished.
2. Gently pull the root mass apart into smaller sections.
3. Replant the divisions immediately in moist, well drained soil.

Plant these near late emerging perennials to ensure your garden beds do not look empty when the foliage dies back in summer.

Grows well with

Bleeding Heart — They share similar light and moisture requirements in the spring garden.
Hosta — Hostas emerge later and help fill the space once the leopard's bane goes dormant.
Columbine — These provide a lovely textural contrast to the daisy like flowers.

Similar species

Leopard's Bane — It is very similar in appearance and growth habit.

Science

Family: Asteraceae
Genus: Doronicum
Order: Asterales
Class: Magnoliopsida
Native range: Southeastern Europe and Southwestern Asia.
Conservation: This species is not currently threatened or protected.

It thrives in cool, moist woodland environments where it can complete its growth cycle before the summer drought.

Value to wildlife: early season nectar source
Pollinators: bees, butterflies
Uses: woodland gardens, spring borders, cut flowers

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 6/9
Light: 4/9
Moisture: 6/9
Nutrients: 5/9
Temperature: 4/9

Taxonomy resolved against GBIF.

Questions people ask

Why did my plant disappear in summer?: It is a natural part of its cycle to go dormant and die back to the ground once the weather gets hot.
Does it need full sun?: It prefers partial shade and will struggle in the intense heat of full sun.

Where the name comes from

The genus name Doronicum comes from the Arabic word doronigi, while the specific epithet orientale refers to its eastern origin.

Good to know

It is one of the earliest perennials to bloom in the spring.
The name leopard's bane is an old folk reference to its historical use as a poison.
It often goes dormant and disappears entirely after the heat of summer arrives.

Also in

Plants for shade

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This guide was generated with AI and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.