On this post we are going to look at sunflower
varieties and how to harvest sunflower seeds. Below is the basic information
about the plant.
The botanical name: The botanical name
is Helianthus annuus
The common name: The common name is Sunflower
Plant hardiness zones: Ordinarily
sunflowers are annuals, so they do not have a United States Department of
Agriculture Hardiness Zone rating.
The plant sun exposure: For the best
flowering, plant the sunflowers in full sun.
The bloom time: A lot of sunflower
varieties start to bloom in mid-summer and they will continue for several
weeks. Although fall is really a bigger season for sunflowers than summer.
Sunflower varieties to
grow
There are a lot of wonderful new
varieties that comes out every year. The following are some of them;
1. Sunflower Giant Russian: Sunflower
Giant Russian is a single yellow flower that can be 20" across.
2. Teddy Bear Sunflower: Teddy Bear
Sunflower is a great dwarf variety with a fluffy flower head. Teddy Bear
Sunflower is nice for containers. (1 to 2 ft.)
3. Giant Sungold Sunflower: Giant
Sungold Sunflower is a taller version of Teddy bear Sunflower that grows up to
5 ft.
4. Autumn Beauty Mix Sunflower: Autumn
Beauty Mix Sunflowers are tall growers that can give you a rainbow of fall
colors on large flower heads. (6 ft. or even more)
5. Italian White Sunflower: Italian
White Sunflowers are creamy white flowers with great seeds for the bird feeder.
(About 4 ft.)
6. Prado series Sunflower: Prado series
Sunflower have shades of burgundy. They are multi-flowered and early blooming,
also great for cutting.
How to harvest Sunflowers
Actually the flowers will begin to
mature in early fall. Immediately this happens the heads of the plant will turn
downward and the florets in the center disk will shrivel. The only sure way to really
tell if the sunflower seeds are ready to harvest is to pull a few out and open
them. If they are actually full, it means they are ready. Make sure you don’t wait
too long or squirrels and birds will harvest it for you.
To harvest the sunflower just cut the
whole flower head with about 1 ft. of stem attached and hang them in a warm,
dry, ventilated spot, far away from insects and rodents. You can cover the sunflower
seed heads with cheesecloth or a paper bag, in other to catch loose seeds. Make
sure you poke some small holes in the paper bag for ventilation. When the sunflower
seeds are completely dried and ready for use, then it can be easily rubbed off from
the flower head and collected.
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