Orchids need bright, indirect light to initiate spikes. Place them in an area that gets plenty of light, but avoid direct sunlight which can scorch the leaves. Dark green leaves indicate insufficient light
For orchids like Phalaenopsis, a temperature drop of 10-15°C between day and night for a few weeks in winter helps trigger spike initiation. Aim for nighttime temps around 15-20°C
Older, more mature orchids with at least 3 leaves are more likely to produce multiple spikes. Be patient and allow the plant to grow and develop enough mature growth before expecting spikes
After blooms fade, you can trim the old spike to just above a node. This encourages the plant to put energy into producing a new spike, sometimes even multiple spikes
When a new spike appears, stake it early when it's 6-12 inches long. This provides support as the spike grows and encourages an attractive arching display of blooms.
Make sure the orchid is getting proper water, humidity, and nutrients. Stressed plants are less likely to spike. Repot if needed to provide fresh media
With the right light, temperature, maturity, and care, you can increase your chances of getting your orchid to produce multiple spikes for a spectacular bloom display. Be patient and let the plant grow at its own pace.