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Gladiolus from seed
Gladiolus spp. · also searched as easy to grow gladiolus, growing gladiolus from bulbs
- Sowing depth
- about 2 to 3 times the corm's height
- Before sowing
- Plant corms after the last frost; most gardeners stagger plantings every two weeks for a long show.
No tested depth figure was found for gladiolus; use the general rule or your supplier's instructions.
Sowing
Plant corms after frost, pointed end up, with soil over the top about 2 to 3 times their height (NYBG's general rule for bulbs). Stagger plantings.
Care and transplanting
Stake tall spikes. In cold climates lift corms after the leaves yellow and store dry and frost-free.
Problems
Thrips streak flowers; dust-free storage and dipping corms help.
Saving seed
Save cormlets for more plants.