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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
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Description
giant sunflower plant seeds 20 American Giant Sunflower SeedsUp for sale is one pack of 20 American Giant Sunflower seeds. These sunflowers are a novelty in the garden and make a great conversation piece as they grow 10 to 15 feet tall with a single stem yellow sunflower. We offer flat rate combined shipping on all orders, no limit on the amount or type of seed packets. CULTURE Soil temperature: 70 75 degrees fahrenheit Germination lighting: Dark required Germination days: 4 8 days Grow on temperature day: 55
Up for sale is one pack of 20 American Giant Sunflower seeds. These sunflowers are a novelty in the garden and make a great conversation piece as they grow 10 to 15 feet tall with a single stem yellow sunflower.We offer flat rate combined shipping on all orders, no limit on the amount or type of seed packets.
CULTURE
Soil temperature: 70 - 75 degrees fahrenheit
Germination lighting: Dark required
Germination days: 4 - 8 days
Grow on temperature day: 55 - 60 degrees fahrenheit
Plant spread: 12"
Plant height: 10' - 15'
Plant type: Annual
Maturation days: 80 days
These jumbo sized sunflowers require a little different soil preparation than the other sunflowers we sell.
First step it to take a pitch fork and loosen your soil 12" deep. Next enrich you top soil and till 6" deep until your soil is the consistency of brown sugar. When soil is consistently 70 degrees (for zone 6-7 usually June 1st) plant seed 1/2" deep and a minimum of 12" apart and then top with a light dusting of compost. These are low maintenance and require nothing else other than weekly watering. Don't pinch like branching sunflowers as they are single stem. Unlike other sunflowers we sell you will get the best results if you use a slow release fertilizer, or top with compost monthly, as they use a lot of nutrients as they grow. We don't recommend you start sunflowers early in pots as they send a large tap root when germinating and in pots less than 6" deep will quickly become rootbound and not develop correctly.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Looks Good Fits well
Color: Royal Azure, Size: Large
I really liked the color. The shirt appears to be well made. I ordered large. I am . about 5’7” 175lbs. It is soft and comfortable. It looks more dressy than casual. I don’t know how well it will hold up in the laundry?
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Stylish, comfortable and priced right
Color: Dark Grey, Size: 3X-Large
This is a great shirt! Comfortable, cooling on a warm day, fits true to size. Going to order a couple more in different colors..
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Super comfortable with a great fit!
Color: White, Size: X-Large
I’m really impressed with this shirt. The material is incredibly comfortable and has just the right amount of stretch, so it doesn't feel restrictive at all. It looks sharp and professional, making it perfect for both work and heading out after.
It fits true to size and holds its shape well throughout the day. If you’re looking for something that looks great but feels as relaxed as a casual tee, this is definitely a solid choice. I'll likely be picking up a few more colors.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Perfect shirt!
Color: Teal, Size: XX-Large
This shirt is perfect! Perfect fit and color. True to size and the material is high quality.
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Reviewed in the United States on May 9, 2026
★★★★★ 4
Great shirt, unfortunately wrong size
Color: Royal Azure, Size: Medium
I bought the royal blue azure variety, and I really love the color. I also really liked the material, it feels light and silky. It works great as both a casual and semi-formal button up.
Unfortunately, the shirt was too big, hence the 4 star rating. I am usually a size M, but this shirt was very long, reaching almost the halfway point of my thighs. I think you would be better off ordering a size below. For this color, they didn't have any smaller size, though, which is sad because I really liked the shirt otherwise.
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Reviewed in the United States on March 16, 2026