The tallest sunflower measures 9.17 m (30 ft 1 in) and was grown by Hans-Peter Schiffer (Germany) in Karst, Nordrhein Westfalen, Germany, as verified on 28 August 2014. Hans-Peter is a veteran of tall sunflowers, having held this record twice previously.

Feb 22, 2023 · The green-fingered Fortey family from Cwmbran, Wales, have grown the world’s heaviest sunflower head – again. Weighing in at 6.44 kg (14.21 lb) – roughly the same as three bricks, two newborn babies, or the most-commonly selected size of bowling ball – it’s 1.23 kg (2.71 lb) heavier than their previous record head from 2021.

May 8, 2024 · The key is to choose large sunflowers bred for containers, like the ‘American Giant’ or ‘Russian Mammoth’, and provide a big enough pot—think 22-26 inches! Fill it with good quality potting mix and water regularly, and give your sunflower a spot with at least 6 …

Helianthus giganteus, the giant sunflower or tall sunflower, is a species of Helianthus native to the eastern United States and eastern and central Canada, from Newfoundland west to Alberta south to Minnesota, Mississippi, and South Carolina.

To grow the largest sunflowers, it is essential to direct sow seed directly into the garden, rather than start them in pots of any kind. This is because sunflowers have long taproots that grow quickly and become stunted if confined. Peat pots in …

Hans-Peter Schiffer of Karst first held the record for tallest sunflower plant in 2009 with a 26-foot, 4-inch sunflower and he broke his own record in 2012 with a 27-foot plant. Schiffer again broke his Guinness World Records' record in 2013 with a plant measuring 28 feet and 8 inches tall.

Photo of Steve DeRycke's 2016, 23'1" sunflower. Seeds available right HERE on GiantGardening.com! Photo of Steve DeRycke's 2014, 21'3" sunflower. Photo of Arif Kahn's 2016 sunflower. ... World Record - Largest Head. Giant Gardening Photo : WIDTH: 32.25" (81.92 cm) GROWER: Emily Martin: LOCATION: Canada: YEAR: 1983 : Honorable Mentions:

Jul 26, 2023 · At 30 feet and 1 inch, the Kong Sunflower holds the world record for the tallest sunflower ever grown. Its large yellow flowers with dark centers create a stunning bloom. Due to their height, growing Kong sunflowers requires full sun, well-draining soil, and sturdy staking.

Nov 18, 2024 · Choosing sunflower varieties specifically bred for maximum height is essential, such as American Giant, Mammoth Russian, Skyscraper, Sunzilla, Kong, and others. These giant sunflowers can grow up to 12-15 feet tall and have large …

Jun 21, 2022 · ‘Titan’ sunflower is one of the largest varieties on the market. Even though it takes up to 110 days to mature in full sun, it grows to a stunning 12 to 14 feet tall with blooms that can reach 25 to 30 inches across.