Arisaema candidissimum, commonly known as the Chinese cobra lily, is a striking and easy-to-grow tuberous perennial. Renowned for its elegant pink-striped spathes and lush foliage, this shade-loving plant adds a touch of exotic beauty to gardens in early to mid-summer.
Ideal for shaded garden beds or containers, Arisaema candidissimum is a low-maintenance plant that thrives in the right conditions, making it a favorite among collectors and garden enthusiasts alike.
Usually appearing from dormancy in early summer, the attractive pink striped flower appears first with a single leaf.
The foliage takes over as the flower begins to fade and lasts well through summer, large glossy and leathery, making an attractive addition to the garden.
Origins of Arisaema candidissimum
Arisaema candidissimum is native to the oak forests, shrubby valleys, and rocky cliffs of western China, typically found at altitudes ranging from 2,200 to 3,000 meters (7,200 to 9,800 feet). The species name candidissimum translates to “shining white,” referring to the plant’s striking white or pink-striped spathes.
How to Grow Arisaema candidissimum – Care Instructions
Light Requirements
While some sources claim this plant tolerates full sun, part shade is ideal, especially in warmer climates like Australia. Morning sun or bright, dappled shade encourages healthy growth and better flowering. Avoid deep shade, which can reduce blooms.
Soil Requirements
Plant in humus-rich, moist but well-drained soil. It prefers a slightly acidic to neutral pH. Amend heavy clay soils with compost and grit to improve drainage.
Leave bulbs (tubers) undisturbed for 3–4 years for best flowering performance.
Mulch in late winter with well-rotted compost to retain moisture and enrich the soil.
Container Growing
Arisaema candidissimum performs well in pots and containers, provided the roots remain cool and moist.
Use a premium potting mix enriched with compost.
Repot every two years to refresh nutrients, as mature tubers can quickly exhaust the mix.
Ensure containers have good drainage to prevent rot.
Fertilizer
Apply a liquid seaweed or balanced organic fertilizer in early spring and again in early summer.
A light dose of slow-release fertilizer in spring promotes strong foliage and flowering.
Climate Zones
- Australia: Suited to temperate and cool climates; avoid hot, humid tropical zones.
- UK: Hardy in most regions; protect from winter wet.
- USA: USDA Zones 5–8; tolerate temperatures as low as -20°F (-29°C) with winter mulch in colder regions
Summary – Quick Care Tips for Arisaema candidissimum
- ✅ Light: Part shade preferred; avoid deep shade or intense afternoon sun.
- ✅ Soil: Moist, humus-rich, well-drained soil.
- ✅ Water: Keep soil evenly moist during active growth.
- ✅ Fertilizer: Feed with liquid seaweed or organic fertilizer in spring and summer.
- ✅ Container friendly: Excellent for pots with good drainage and cool root zones.
- ✅ Propagation: Divide tubers in late winter; they naturally separate when mature.
- ✅ Winter Care: Light mulch with compost; protect from waterlogging in cold zones.
Companion Plants
Grow with shade-loving perennials like Hosta, Ferns, Epimedium, or Trillium for a lush woodland garden look.
Where To Buy
'Sylvan Vale' 375 Olinda Creek Rd, Kalorama, VIC.3766
Including a large range of Rare and unusual bulbs, corms and perennials
www.tonkinsbulbs.com.au
412 James Lane, Fern Hill VIC. 3458 - Phone 0419002651
Large range of Rare plants, Climbers, Bulbs, Perennials Fruit Trees, Ornamental Trees and Shrubs. Available both Retail and by Mail Order
www.whitehousenursery.com.au
PO Box 7040 Leura NSW 2780
Rare woodland plants, Trilliums Epimediums, Arisaemas, plus much more.www.lynnsrareplants.com.au