California Mix Zinnia Seeds

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This beautiful flower is an open-pollinated summer annual. It blooms in brilliantly colorful shades of orange, purple, red, white, and yellow during the high heat of the summer. Large 4"-5" blooms on strong stems make this mix perfect for the cut flower gardener. Very easy to grow and adds a rainbow of color to any planting.


Product Details

Weight

1G

Planting Season

Warm

Soil Temp

70° F+

Planting Depth

1/2"

Area to Sow

50' row

Days to Germ.

3-10+

Days to Maturity

55+

Best Planting Method

Direct or transplant

Thin to

≥2" apart

Final Spacing

≥12" apart

Succession

14 days

Approx. Seed Count

110

Product Information

California Mix Zinnias bloom in brilliantly colorful shades of orange, purple, red, white, and yellow during the high heat of the summer. Large 4″-5″ blooms on strong stems make this mix perfect for the cut flower gardener. Very easy to grow and adds a rainbow of color to any planting. Grows wild in Mexico, and is best as a direct-sow seed. Thin to 6″-12″ apart. Deadhead spent flowers to prolong the blooming season and let go to seed for return volunteers the following year.

Planting by Zones

Zones 9-10

  • Zinnias are fabulous cut flowers that attract tons and tons of beneficial insects and butterflies to the garden. In Zones 9 and 10 they grow best from spring through late summer; if happy they may bloom well into the winter!

Zones 2-8

  • Grown as an annual. Start seed indoors 4 weeks before the last frost. A heating mat will help to get even germination if temperatures are chilly. Transplant out after the danger of frost is gone.

Planting Zinnia Seeds

  • Zinnia seeds are small and flat. They should be sown close to the surface of the soil. If you are starting the seeds indoors in trays or in starter pots, start seeds in a high-quality seed starting mix. Sprinkle the seed on top of well-moistened soil and cover with 1/4″ of finely sifted soil. Seeds will germinate in 3-10+ days.
  • If you wish to direct sow the seeds, sow in well-worked soil that has been finely raked clear of debris. Cover with 1/4″ well-sifted soil.

Growing Zinnia

  • This old fashioned annual flower works well in vegetable gardens, wildflower gardens, and more! It’s easy to grow and makes an excellent cut flower. We grow zinnias both for cut flowers and to bring important pollinators to the farm.

Growing Zinnia in Containers

  • If you are planting zinnia in containers, make sure your container is at least 10″ deep. We do not recommend planting more than one plant per container as zinnias can get large. Overcrowding will cause the plant to be unhappy and provide fewer blooms. The larger the container, the more blooms you will get. Keep in mind containers will dry out faster because they have more surface area and less soil to hold onto moisture.

Harvesting Zinnia Flowers

  • Cheerfully colored zinnia blooms spread joy in the garden and make for great cut flowers too. Harvest flowers early in the morning and place directly in a vase of room temperature water for the longest-lasting blooms.

Southern California Pro-tips

  • In Zones 9 and 10, zinnias will grow happily from early spring until late fall.
  • DO NOT overhead water as this promotes disease.
  • Side dress with an organic granular fertilizer to ensure amble blooms.
  • Deadhead spent blooms to encourage more flowers.

Companion Flowers/Crops

Additional Learning Resources

Product Details

Weight

1G

Planting Season

Warm

Soil Temp

70° F+

Planting Depth

1/2"

Area to Sow

50' row

Days to Germ.

3-10+

Days to Maturity

55+

Best Planting Method

Direct or transplant

Thin to

≥2" apart

Final Spacing

≥12" apart

Succession

14 days

Approx. Seed Count

110

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