Black Mammoth Sunflower seeds
Black Mammoth sunflowers are also known as Giant Black Mammoth sunflowers. This variety produces blooms as big as 12" across and stalks up to 10' tall. This variety got its name from the seeds it produces as they are pure black versus the grey-striped variety. These are ideal to grow if you are looking to grow and save your organic edible seeds. Sunflower seeds can be roasted, ground into butter, eaten raw, etc.
Seed count per pack: 25 seeds
Botanic name:
Helianthus annuus
Plant spacing:
2 feet apart
Color:
Dark yellow petals, light center, and green foliage.
Sowing depth:
1/2 inch deep
Sun requirements:
Full sun
Utilization:
Grow these to create privacy, attract wildlife, or harvest your own fresh organic seeds.
Frost Hardy:
No
Maturity days:
90-100 days
Life cycle:
Annual
Can I start indoors?
Yes
Container friendly:
Not recommended
Other names:
Giant Black Mammoth sunflower