A good seed that is not only light and dry, but also tolerant to frost, cold hardiness and drought.
It might benefit from the seed mother plant is planted in a soil mixture of high N, low pH. It is ideal for this soil mix because the pH of it can go in either negative or positive range. If you have a soil mix with very low pH, grow the seed plants in a container with a pH of 5-6.
Saffron seed is not suitable for soil containing too little salt, it needs a balanced soil that is suitable for growing in the humid subtropical regions in South America and South Africa. The pH of the soil needs to be between 6 and 11, which is very high for Saffron for this purpose. If the soil is already saturated, then Saffron seed will not germinate. The pH of soil needs to be between 6.8 and 7.2 for this purpose.
The soil should be covered with some sort of organic mulch. The mulch should be rich in organic matter. This must not be too coarse, or too fine. The mulch should be deep so the soil can be easily drained. When the seed is harvested, it is best to keep it in the plastic bin.
Saffron seeds need to germinate at least 20 days after sprouting.
How to seed Saffron?
Saffron seeds need a moisture reserve to germinate. By this we mean that the seed needs a reserve of moisture to survive if the water content within the seed does not stay constant over the growing process.
Saffron seeds need an average temperature of around 18°C. The optimum for the seed to prosper is 18°C. The temperature is usually higher in the hot, humid regions of South Asia.
Saffron germination should occur after 4 to 6 weeks, depending on the weather conditions on the day that the seed is sprouted from the mother plant. It is recommended that a couple of weeks is enough to ensure a good germination. Seed germination usually takes anywhere from 2 to 6 weeks, but this is rarely the case.
Watering will be vital to ensure that seeds germinate and fruit. A good watering regimen is to allow the seed to germinate and to water it once every 8 to 10 days. For Saffron, this is recommended to be every 8 to 10 days from seed to harvest,
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