La Semence Bio
Reference : 206-291-242
Organic seed - Giant sunflower
These sunflowers with beautiful yellow flowers can measure up to 3m and are very appreciated by bees.
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Product details
These sunflowers with beautiful yellow flowers can measure up to 3m and are very appreciated by bees.
Family : Asteraceae
Latin name : Helianthus annuus L.
Genus: reproducible seeds
Weight : 3 g
Sowing and harvesting schedule:
How to grow giant sunflowers?
Soil care: all types of soil, well drained.
Exposure: sunny.
Sowing: 3 cm deep in a poquet or in a row. Cover the seeds and water them regularly until they emerge.
Emergence: 8 to 10 days.
Watering: keep the soil moist until emergence. A regular watering will favour the quality of the seeds.
Flowering: from August to October.
Harvesting : as soon as the stem dries out and the flowers bend their heads, you can proceed to the harvest. Cut the flowers and let them dry in a dry place. A few days later the seeds will be dry and will fall off by rubbing them.
Origin: North America
Technical sheet
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