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USA
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- CAN
- USA
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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
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Description
jumbo sunflower seeds for planting 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 30 reviews
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Product Reviews
★★★★★ 5
Great Mug Heat Press for Beginners and Small Businesses
Color: Blue
The HTVRONT mug heat press is very easy to use and works perfectly for sublimation mugs. It heats evenly, which helps the design transfer clearly and with vibrant colors. The temperature and time controls are simple to adjust, making it great for beginners as well as small business owners.
I’ve used it on 11 oz sublimation mugs and the results are consistent and professional. The machine feels sturdy, heats up fast, and saves time when making multiple mugs. Overall, it’s a reliable and affordable option for anyone starting or growing a sublimation business.
✅ Easy to use
✅ Even heat distribution
✅ Great print quality
✅ Ideal for sublimation mugs
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Nice product
Color: White
Awesome, easy to use and very consistent
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Love it. Its Great
Color: White
The HTVRONT Auto Tumbler Heat Press Machine is a specialized tool designed for sublimation projects, particularly for customizing tumblers, mugs, and other cylindrical items ranging from 10 to 30 ounces. It's an excellent choice for both hobbyists and small business owners looking to streamline their crafting process.
🔧 Key Features
Automatic Pressure Application: The machine automatically adjusts pressure based on the diameter of the item, ensuring consistent results without manual adjustments.
The How-To Home
Temperature and Timer Control: Offers a temperature range up to 390°F (200°C) and includes a timer function, allowing for precise control over the sublimation process.
Safety Features: Equipped with an emergency stop button and an auto shut-off feature after 15 minutes of inactivity, enhancing user safety.
Compact Design: Measures approximately 13 x 11 x 6.3 inches and weighs around 9.5 lbs, making it suitable for home studios or small workspaces.
Happiness is Homemade
Compatibility: Designed to accommodate items with a diameter of 2.95 to 3.35 inches, covering a wide range of tumbler and mug sizes.
🧠 Final Thoughts
The HTVRONT Auto Tumbler Heat Press Machine offers a blend of automation, safety, and versatility, making it a valuable addition to any crafting setup. Its user-friendly features and compact design cater to both beginners and experienced crafters, ensuring high-quality sublimation results.
Sources
Absolutely Love This Tumbler Press!
I’ve been using the HTVRONT Auto Tumbler Heat Press Machine for a few weeks now, and it has completely exceeded my expectations. The machine is incredibly easy to use—just set your temperature and timer, and it does all the hard work for you. I love that it automatically adjusts the pressure based on the tumbler size, which has saved me so much time and effort! The results are flawless every time. I’ve used it for several sublimation projects, and the colors come out vibrant and crisp. Plus, the safety features like the auto shut-off give me peace of mind while working. The compact design also fits perfectly in my small crafting space. I highly recommend this press to anyone looking to level up their sublimation game!
Durability is Great.
No smell
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Reviewed in the United States on April 23, 2025
★★★★★ 4
So far, So good
Color: Blue
I have printed about 18 tumblers since purchasing this, all came out beautifully. It was delivered is great condition and is very easy to use. Just plug it in, set temperature and get your work started. No complaints thus far.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Great machine
Color: Blue
Love my press I have other presses and conventional ovens to sublimate, and this is by far a wonderful machine added to my craft room
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Reviewed in the United States on June 9, 2026