Skyscraper Sunflower Seeds

skyscraper sunflower seed packet flowers sow right seeds
skyscraper sunflower seed packet features variety highlights helpful growing specs easy to follow planting instructions
skyscraper sunflower seeds giant sunflowers that grow up to 15 feet tall
skyscraper sunflower seeds collage growing in garden large flowers blossoms blooms
skyscraper sunflower seeds large blooms provide shade in the garden and lots of seeds
skyscraper sunflower seeds attract a range of pollinators with these beautiful blooms

Skyscraper Sunflower Seeds

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Skyscraper Sunflower Seeds | Product Features

  • Giant, sun-loving blooms reach majestic heights of up to 15 feet to create eye-catching floral displays and backdrops.
  • Ideal for creating natural privacy screens, garden borders along fences or engaging family gardening projects.
  • Produces vibrant flowers that nourish local ecosystems by attracting bees, butterflies, and other beneficial pollinators.
  • Non-GMO heirloom seeds carefully packaged with a minimum of 2g (about 22 seeds) per packet.

Transform your garden into a stunning display of nature's grandeur with non-GMO heirloom Skyscraper Sunflower seeds from Sow Right Seeds. These giant annual sunflowers produce magnificent, sun-loving blooms that reach towering heights of up to 15 feet, creating immediate focal points, dramatic garden borders, and effective natural privacy screens across any landscape. Whether you are an experienced grower or introducing children to the joy of gardening, our carefully selected seeds ensure robust growth, high germination potential, and reliable performance. Beyond their impressive visual appeal, these towering blooms enrich your outdoor space by providing vital pollen and nectar for bees, butterflies, and birds.

Plant seeds directly outdoors in full sun after the danger of frost has passed and soil temperatures reach 70–75°F. Sow seeds 1" deep in well-draining soil and space plants 3 feet apart to allow ample room for their massive stems and roots. Keep soil moist during germination, which typically takes 7–14 days. Provide consistent water and adequate support or wind protection as the plants grow to support their towering 15-foot stalks. Flowers mature in 70–80 days.

Skyscraper Sunflower Seeds Growing Details
Botanical Name Helianthus annuus var ‘Skyscraper’
Plant Spacing 36”
Planting Depth 1”
Spread 24” – 36”
Height Up to 15’
Germination Temp 70 – 75 °F
Light Required Full Sun
Life Cycle Annual
Days to Germination 7-14
Days to Maturity 70 – 80 Days
Planting Zone 3-13
Flower Form Single
Growth Rate Fast
Growing Season Spring – Summer
Harvest/Blooming Season Summer-Early Fall

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  • Non-GMO heirloom seeds
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Frequently Asked Questions

Due to their heavy seed heads and towering height of up to 15 feet, Skyscraper Sunflowers can benefit from support, especially in windy areas. Planting them along a fence line, trellis, or inserting sturdy wooden stakes beside the main stalk will keep them from tipping over as they mature.

Yes, the seeds harvested from Skyscraper Sunflowers are fully edible. You can harvest the large seed heads in late summer or fall when the back of the bloom turns brown, then roast the seeds for a healthy snack or leave them on the stalks as a natural food source for wild birds.

While they can technically sprout in large containers, Skyscraper Sunflowers do best when planted directly in the ground. Their extensive root systems and heavy stalks require significant soil depth and space for stability and optimal height.

Sunflower heads are ready to harvest when the back of the flower head changes from green to yellow-brown, the petals drop off, and the seeds appear plump and fully developed. You can cover the heads with cheesecloth or paper bags while they dry on the stalk to protect them from birds.

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