Sunflower, Mammoth Organic Seeds

Helianthus annuus

Regular price $3.49
Regular price Sale price $3.49
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Sunflower, Mammoth Organic Seeds

Helianthus annuus

Regular price $3.49
Regular price Sale price $3.49
Sale Sold out

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Product Information Chevron Down Chevron Forward

The Mammoth Sunflower is an easy-to-grow summer annual that is also the state flower of Kansas.

Mammoth Sunflower's hardy nature requires minimal maintenance, giving you more time to enjoy the beautiful blooms it provides!

These organic sunflower seeds produce stately yellow sunflowers with enormous heads, more than one foot across, which provide spectacular beauty first, then seeds for roasting or bird feeding. An ideal addition to any garden, these sunflowers are easy to grow and yield gorgeous, vibrant yellow blooms. 

Visit this link to learn more about growing a sunflower garden.

Sku: 1540

Common Name: Sunflower

Botanical Name: Helianthus annuus

Growing Information Chevron Down Chevron Forward
Good For Pollinators

Good For Pollinators

Grows best In

Grows
Best In:

Full Sun

Germination

Days to
Germination:

14 - 21 Days

Container

Best
Container Size:

18"+

Height

Growing Height:

84 -144"

water Needs

Water
Needs:

Average (1 - 2 in / week)

Key Features Chevron Down Chevron Forward

Characteristics: Attracts butterflies, pollinators, songbirds, and specialized bees | Pet friendly

Color: Yellow

Fill Weight (grams): 5

Approximate Seed Count: Approximately 10 - 50

Plant Type: Flower

Plant Lifecycle: Annual

Days To Bloom: 75 - 90 Days

Landscape Use: Bedding

Resistance: Deer|Dry Soil|Poor Soil

Tolerance: Drought|Heat

Growing Season(s): Spring|Summer

Harvest/Bloom Season(s): Summer

Package Dimensions: 3.25 x 4.5"

Instructions Chevron Down Chevron Forward

Sow a few seeds evenly spaced in hills, 8 inches high and 12 inches across. Young vines should have a fence, trellis, or heavy cord on which to climb. When young vines are about 8 inches, thin to 3 plants per hill. Does not transplant well.

Planting Depth: 1"

Seed Spacing: Plant Organic Mammoth Sunflowers seeds approximately 18 - 24" apart.

Nutrient Care Instructions: Apply SUPERthrive once per week. Soak in solution of 1/4 tsp per gal for 15 min. or longer depending on size and type.

Suggestions Chevron Down Chevron Forward

Excellent for tall blooming backgrounds and screens for unsightly places. Harvest seeds by cutting flower heads when backs yellow, then hang downward in a warm, dry place.

Shipping Chevron Down Chevron Forward

Free shipping is available on all orders over $35. Orders under $35 have a shipping rate of $7.99, and seed-only orders have a shipping rate of $2.99. Most orders are shipped within 2 business days of purchase. However, live plants and embroidered items may take 2-7 business days to ship, depending on the day of the week you place your order. For more information, please click here to review our shipping & returns policy.

At Ferry Morse, we are proud of our non-GMO & guaranteed fresh seeds.

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