Sunflower 'The Joker'

Helianthus annuus

How to grow Sunflower 'The Joker'

  • Full Sun

  • High

Try to plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that The Joker is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. The Joker requires a loamy and clay soil with a ph of 5.7 - 8.1 - it grows best in weakly acidic soil to weakly alkaline soil.

Growing The Joker from seed

Try to aim for a seed spacing of at least 4.68 inches (12.0 cm) and sow at a depth of around 0.49 inches (1.25 cm). Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.

By our calculations, you should look at sowing The Joker about 21 days before your last frost date.

Transplanting The Joker

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

Harvesting The Joker

Sunflower The Joker Etymology

The botanical epithet is from the Latin annuus meaning “annual”.1

Footnotes