Saffron Bulbs, Crocus Sativus Bulbs

Saffron bulbs are the heart of the saffron industry and play a central role in this field. The first thing that we need for growing saffron is some Crocus Sativus bulbs, you should know the best time for buying and planting them is in summer because saffron growth period seasons are fall and winter.

If you want to grow saffron you should buy “1 kg saffron corms per 1 square meters” and plant them 20 cm deep. Each of the bulbs can produce some saffron flowers and each flower can make 3 saffron threads.

The first time I buy saffron seeds, I was 13 and I didn’t have any information about how to maintain or how to plant corms in the soil, so saffron bulbs were spoiled soon. It’s better to get some information before buying Crocus Sativus bulbs.

Saffron Bulbs Grades

  • Small size: less than 8g
  • Median size: 12 to 15g
  • Large size: more than 15g

Saffron bulbs that are taken out of the ground for sale usually are 8 to 30g. 8 to 12g is the median size group and the upper than 12g is the large size group. If saffron seeds size is more than 8g it can grow and produce flowers so if you want to have saffron, care about corms size.

tip: if a Crocus Sativus bulb has been more than 8g, it can be flowering and if it is lower than this, we just will have saffron leaves.

The best size for greenhouse saffron cultivation is more than 15g. In other words, the best size for saffron bulbs for greenhouse saffron is 15 to 30g and a saffron corm with 25g weight can produce many saffron flowers. (maybe 12 flowers)

saffron bulbs

the biggest one is 16g and the smallest is 1.5g.

Saffron Bulbs Growing Condition

Saffron bulbs like hot and dry climate and their growth period are fall and winter. When a saffron corm be in around zero centigrade and there’s enough humidity around it, the growth process starts, and the sleep phase end. in the early fall, we have the first step of irrigation, and the temperature gets low.

Summer is saffron bulbs displacement season and fall and winter is growing season. The maximum time that bulbs can be out of the soil for displacement is 2 weeks and under certain conditions. When a bulb is out of the soil start to eat itself to survive and this process leads to spoiling saffron corms.

How to Plant Crocus Sativus Bulbs

There are some methods for growing crocus Sativus bulbs and 2 main methods of them are:

  1. Growing saffron in pots
  2. Saffron planting in soil

Growing saffron in pots or garden can be a trial mode for the second method. In this mode we can produce a low amount of saffron (2g or 3g) and also we can experiment with saffron planting on small scale.

Also, we can plant saffron bulbs on the large ground for economic targets. We can run an agricultural business and on this scale, we can produce 25 to 30kg saffron per hectares. All over the plains of the United States are prone to occupation small and large saffron-based businesses and one of these opportunities is saffron cultivation.

Another method is greenhouse saffron cultivation, this way can have more productivity than planting saffron in the land and create opportunities for us. We tested this method in some Arabic country and we could produce high-quality saffron on the small scale.

This method needs more research and test to have verified as a trusty method.

The good strategy for planting saffron and entrance to saffron production industry is starting with low scale and then extending it to economic scale. So you can learn and get better in every step and be a successful man in this field.

Saffron Bulbs for Sale Iran

Iranian farms are the main source of saffron bulbs producing and naturally, the biggest market of bulbs is in Iran. Saffron bulbs’ trade volume usually is around 10 to 20tons or more. But the strategy of Iran isn’t exporting saffron seeds and their priority is preserving bulbs source.

Instead, there are lots of Crocus Sativus sellers in the market and you can refer to them. You buy saffron bulbs online, just search for them on the web.

saffron bulbs

bulbs are without soil and sorted

How Many Saffron Bulbs per Acre?

There are multiple methods for planting saffron and the name of the best way is “Ideal cultivation“. In Ideal cultivation, we plant 1-ton bulbs in 1000 square meters. The traditional saffron planting method is based on human sources and doesn’t use the sources as efficiently.

Rich lands are limited and human resource isn’t ideal, increase in production cost forced farmers to change their traditional method. Now, saffron farms must use full automated agricultural machines and with increasing production control the costs.

New methods have some benefits versus traditional saffron planting such as:

  • Reduce water consumption
  • Increase productivity
  • Reduce the amount of land required
  • Reduce the cost of fertilizing
  • And more…

How to Maintain Crocus Sativus Bulbs?

The best condition for maintaining bulbs is a dry and cold place. You can maintain saffron bulbs in the darkroom and at least 30cm up the floor.

Don’t forget to plant the seed as soon as fast. Whatever saffron corms stay out of the soil probability of contamination gets increased and a big part of our investment gets in danger.

saffron bulbs

How many Saffron Bulbs in 1 kg?

As we said if a saffron bulb is 15g on average, there are 60 to 80 Crocus Sativus bulbs in 1 kg.

How much Water Needs for Crocus Sativus Bulbs?

Saffron is categorized in a low requirement water group plant and in the growing season just need 2 to 4 times irrigation.

tip: remember that don’t water in summer and don’t water too much.

Also if you want to have more information about it, read this post; saffron irrigation

4.5/5 - (2 votes)
2 replies
    • hamed amirkhani
      hamed amirkhani says:

      there are some of online shops that sell organic saffron bulbs. just search on web for that. also be care that the most important factor in cultivation saffron organic is organic fertilization, saffron bulbs every year do propagation and create new bulbs. so buying organic saffron bulbs is not so critical.


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