| Annual / Vegetables - Fruits / Sunflower Helianthus / Edible |
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Plant name - Sunflower Helianthus
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| Common name - Sunflower
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| Plant type - Vegetable / Flowers |
| Vegetation type -
Annual |
| Growth rate - fast |
| Leaf / Flower color
- Green / Yellow |
| Other names - Sunflower Helianthus |
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| Description : |
Sunflower plants grow well in average to rich soils. They need to grow their roots deep and wide, to enable them to withstand strong winds. If you have a choice, sandy soils are not recommended, as they are easily uprooted in loose soil.
Deep roots help sunflowers to withstand most droughts. They will benefit from a dose of fertilizer when you apply it to the rest of your garden. Apply extra phosphorus and potassium when the flower bud begins to develop, to promote bigger blooms.
This is the traditional single stem giant sunflower that grows six feet in height, but often much higher.
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| Growing Instructions : |
* Start seed indoors 4-5 weeks before last frost in pots, or sow directly into the garden after danger of serious frost has passed. Sunflower seed is more sensitive to the cold than its cabbage-family relatives.
* Cover seeds with 1/2 inch of fine soil. Once plants are two to three inches tall, thin to space plants 18 - 24 inches apart.
* Transplant indoor started seedlings after hardening off and danger of serious frost has passed. 10 to 14 day germination time. Keep soil moderately moist during germination.
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