United States Edition

Sunflower 'California Greystripe'

Helianthus annuus

Belonging to the Helianthus genus (Helianthus annuus 'California Greystripe'), California Greystripe is a variety of Sunflower. California Greystripe grows as an Annual and is a Flower. Being an Annual, it tends to grow best over the course of a single year. California Greystripe is known for growing to a height of approximately 1.50 metres (4.88 feet).

Due to how easy it is to grow in a variety of conditions, California Greystripe Sunflower is great for beginner gardeners and those that like low maintainance gardens.

This plant info is provided by the myfolia gardener's wiki. All details about Sunflower 'California Greystripe' have been kindly provided by our members.

How to grow Sunflower 'California Greystripe'

  • Full Sun

    +
  • High

Plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that California Greystripe is thought of as half hardy, so it will require protection in frosts and low temperatures. Use USDA Hardiness Zone 4 - 9 as your guideline for the appropriate climate for this plant. A soil ph of between 5.7 and 8.1 is ideal for California Greystripe as it does best in weakly acidic soil - weakly alkaline soil.

Growing California Greystripe from seed

Sow at a depth of approx. 0.49 inches (1.25 cm) and aim for a distance of at least 4.68 inches (12.0 cm) between Sunflower plants. Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.

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

Transplanting California Greystripe

As California Greystripe is half hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

Harvesting California Greystripe

Sunflower 'California Greystripe' information

How long does California Greystripe take to grow?

These estimates for how long Sunflower 'California Greystripe' 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!

When should I sow California Greystripe?

Folia's when to plant Sunflower 'California Greystripe' estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!

Sunflower California Greystripe Etymology

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

Footnotes

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