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Giant sunflower 'Sunny'

Helianthus giganteus

Sunny is part of the Helianthus genus and is a Giant sunflower variety. Its scientific name is Helianthus giganteus 'Sunny'. This variety is a Flower that typically grows as an Perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more. Sunny is known for growing to a height of approximately 4.00 metres (that's 13.00 feet in imperial).

Sunny Giant sunflower is great for inexperienced gardeners and those that like low maintainance gardens.

This plant info is provided by the myfolia gardener's wiki. All details about Giant sunflower 'Sunny' have been kindly provided by our members.

How to grow Giant sunflower 'Sunny'

Keep in mind when planting that Sunny is thought of as hardy, so this plant will survive close to or on freezing temperatures.

Growing Sunny from seed

Try to aim for a seed spacing of at least 11.7 inches (30.0 cm) and sow at a depth of around 4.68 inches (12.0 cm).

Transplanting Sunny

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Sunny is a hardy plant.

Harvesting Sunny

Giant sunflower 'Sunny' information

How long does Sunny take to grow?

These estimates for how long Giant sunflower 'Sunny' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

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