Troubleshooting Cactus Seed Germination
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Photograph for growing reference; seedling results vary by species and conditions.
Nothing is sprouting
First check the species-specific expected germination window. Also review seed freshness, temperature, moisture and sowing depth. Some species require specialized conditions; do not assume every cactus behaves alike.
Seedlings are stretching
They may need more light. Increase intensity gradually, checking for heat buildup and scorching.
Seedlings are collapsing
Excess moisture, poor airflow or disease may be factors. Isolate affected containers, remove decaying material safely and review watering, cleanliness and ventilation.
Keep records
Record seed batch, sow date, temperature, light and watering changes so you can compare results over time. Germination is variable and never guaranteed.