Sunflower Seeds - Mammoth Grey Stripe

90-110 Days to maturity. Helianthus annuus. Mammoth Grey Stripe Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Mammoth sunflower seeds grow one of the tallest, brightest, and most breathtaking flowers in the world!

Mammoth sunflower seeds grow an unbelievable 9-12 feet tall and are famous for their stunning 12 inch blooms. Mammoth sunflowers are one of the most resilient and fastest-growing sunflower varieties in the world.

Mammoth sunflower seeds are an ideal crop for bird enthusiasts because the countless seeds per head will keep birds well-fed and returning for more all season long.

Approximately 375 Seeds / Ounce.

Latin Name:

Hardiness Zone: Annual; Zones 2, 3, 4, 5, 6, 7, 8, 9, 10, 11

Days to Maturity:90-110

Days to Germination: 4-10

Seeding Depth: 0.5 inches

Plant Spacing: 18 inches

Row Spacing: 18 inches

Plant Height: 108-114 inches

Plant Width: 36-40 inches

Growth Habit: Upright stalk with a large flower head on top.

Soil Preference:Average, rich, loamy, and well-drained soil.

Temperature Preference: 50-85 F

Light Preference: Full Sun

Pests and Diseases:Mammoth Grey Stripes are susceptible to rust, fungal leaf spots, and powdery mildew. Monitor regularly for caterpillars and beetles that may be feeding on the foliage.

Mammoth Grey Stripe Sunflower Color: Bright yellow sunburst petals with deep yellow-orange seeds and deep green foliage.

Easy/Hard: Easy

Direct Sow: Yes Direct Sow

Start Indoors: Not recommended

Growing Non-GMO Mammoth Grey Stripe Sunflower Flower Seeds Mammoth Grey Stripe sunflower seeds are recommended mainly for outdoor growth because of their potential to reach 12 feet high. Mammoth Grey Stripe sunflowers give little reason to start seeds indoors due to their wildflower-like readiness to thrive.

Sow directly outdoors after the final frost in a warm and sunny area of the garden and sheltered from strong winds. It is recommended to plant tall varieties of sunflowers on the north end of your garden.

Plant 2-3 Mammoth Grey Stripe sunflower seeds per hole, spaced according to the suggestions. Mammoth Grey Stripe sunflowers may need staking if plants are growing isolated and away from the support of a garden or if high winds are expected. Trim off the declining foliage as the summer progresses. Mammoth Grey Stripe sunflowers have average water requirements. Mammoth Grey Stripe Sunflower in the Flower Garden Mammoth Grey Stripe sunflowers are full of potential. Use these in your flower garden as a backdrop or a border. They succeed when cultivated in rows, blocks, or singles.

Scatter them in any bare spot of soil you see or plant them in a line for zero-waste bird feeders! Mammoth Grey Stripe sunflowers are well known in North America and can even be a good option for providing shade in gardens that have too much sun. Harvesting Mammoth Grey Stripe Sunflower Mammoth Grey Stripe sunflowers grow solid black edible seeds. Here are a few simple tips for easy seed collection: As soon as the flower petals fade, use a mesh sack that can be secured over the flower and cinch it over the flowerhead.

For this variety, you may need to use a steady ladder to reach the large flower heads for collection. Over the next month, the seeds will mature and release into the bag! These high-contrast blooms can be used as cut flowers for seasonal bouquets of joyful yellow. When they are in full bloom, snip off the stem with sharp scissors.

Store in cool, clean water for indoor color for 1-2 weeks. For dried flowers, tie a few stems together with a rubber band and hang them upside down in a well-ventilated area for 2-3 weeks! About Organic Mammoth Grey Stripe Sunflower Garden Seeds Mammoth Grey Stripe sunflowers are ideal for photoshoot props and backdrops for their classic sunflower appearance and incredible height. Plant a field of these next to a busy road and watch the tourists flock! The flowerheads will track the sun throughout the day and invite a host of pollinators to the area. Mammoth Grey Stripe sunflower seeds are an ideal crop for bird enthusiasts who don’t mind letting the seeds go. The delicious seeds as well as the general height of the plant will keep birds coming back for more. Sunflowers are native to western North America’s prairies, plains, and meadows; including the warmer regions of Canada and Mexico. Tips From Our Gardeners

"These gigantic sunflowers do not disappoint. It’s hard to imagine a 12-foot tall flower until you’ve seen one. Give it a shot!"

Organic Mammoth Grey Stripe Sunflower Seeds Per Package:

8 g packet - Approximately 105 Seeds 20 g packet - Approximately 263 Seeds 1 oz - Approximately 375 Seeds 4 oz - Approximately 1,500 Seeds 1 lb - Approximately 6,000 Seeds 5 lb - Approximately 30,000 Seeds 25 lb - Approximately 150,000 Seeds

Non-GMO Organic Mammoth Grey Stripe Sunflower seeds are available for Fast Free Shipping on qualifying orders.