Sunflower 'Lemon Queen'

Helianthus annuus

How to grow Sunflower 'Lemon Queen'

  • Full Sun

  • High

When plants are 2 to 3 inches high, thin the sunflowers to 18 inches apart for screening or 24 inches apart in rows or beds.

Need plenty of water while the plants are small but once established are relatively drought tolerant. Cut flowers regularly to promote more flowers and to extend bloom season.

Plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that Lemon Queen is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. Lemon Queen 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 Lemon Queen from seed

Plant Mammoth sunflower seed outdoors after all danger of frost is past and where sunflower plants are to remain. Sunflowers do not transplant very well.

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 Lemon Queen about 21 days before your last frost date.

Transplanting Lemon Queen

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

By our calculations, you should look at planting out Lemon Queen about 0 days after your last frost date.

Harvesting Lemon Queen

Expect harvests to start to occur in mid summer.

Sunflower Lemon Queen Etymology

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

Footnotes