How to grow Helianthus giganteus

Helianthus giganteus grow and care – herbaceous of the genus Helianthus also known as Giant sunflower or Tall sunflower, Helianthus giganteus perennial but in cold climate grows as annual, as perennial grow evergreen in cold area become deciduous plant also used as ornamental plant and attract pollinators, grow in tropic, mediterranean, subtropical, desert or temperate climate and growing in hardiness zone 4+.

Leaves green in rhomboid shape with serrated margins.

Helianthus giganteus flower

Flower color yellow with darker in the middle, flowers in daisy shapes.

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How to grow Helianthus giganteus growing and care:

Mulch, well drain soil

What is the best way to start growing?
Plant / Seed / Tuber

Is it necessary to use vegetative reproduction?
No, but it easy

Difficulties or problems when growing:

Planting season:
Spring / Summer

Pests and diseases:
Snail, slugs

Pruning season:
All season

How to prune:
No need

Size of the plant?
1-3 m, 40-120 inches

Growth speed in optimal condition:
Fast growing

Water requirement:
Average amount of water / Big amount of water

Light conditions in optimal condition for growing:
Full Sun

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Blooming information

Bloom season:
Spring / Summer / Autumn

General information about the flower:
Flower color yellow with darker in the middle, flowers in daisy shapes.

Scientific name:

Helianthus giganteus

How to grow Helianthus giganteus

Growing Helianthus giganteus

Helianthus giganteus plant care

Helianthus giganteus

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