When to plant
Plant Acidanthera bulbs in spring, after the risk of frost has passed, when soil has warmed. In mild climates, planting in late winter is sometimes possible if the soil is workable and dry.
Where to plant
Choose a location with full sun to light shade. These bulbs thrive in bright sites, but cooler root conditions help prolong bloom. Soil must drain well—avoid heavy, waterlogging zones.
Preparing the soil
Loosen soil to about 20–25 cm deep and remove rocks or debris. Enrich with compost or organic matter, and if soil is dense or clay-like, mix in coarse sand or grit to improve aeration and drainage.
Planting the bulbs
Place bulbs with the pointed side upward, burying them about 8 to 12 cm deep. Space them 10–15 cm apart to give stems room to rise and move. In containers, use deep pots and good drainage.
After planting
Water gently to settle soil around bulbs. Thereafter, water only when soil becomes dry; keep soil moist but never soggy as shoots emerge.
During growth & blooming
Leaves appear first, followed by tall flower spikes. Feed with a balanced fertilizer early in growth. Remove spent flowers to encourage more blooms and maintain a tidy look.
After blooming / end of season
Allow the foliage to yellow and die back naturally, supplying energy back to the bulb. In colder areas, once foliage has withered, lift the bulbs, dry them, and store in a cool, dry place. In mild zones, bulb beds may stay in place with mulch protection.
Extra tips
Acidanthera pairs beautifully with grasses and later summer bloomers for contrast. In container plantings, be sure to rotate pots to get even sunlight exposure. Over time, bulbs may multiply; if they become overly crowded, divide and replant during dormancy.
