Zinnia Seeds - California Giants

(Zinnia elegans) Annual. 85 days to maturity

These beauties really are giant! Plants can reach a height of 4 feet and flowers average 5” in diameter. California Giants bloom all season long and are great for bouquets. Sun loving and drought resistant.


Growth Habit: Upright bushy growth to 4 feet with 4-6” flowers. 

Sun Requirements: Full sun

Soil Preference: Average, well-drained soil

When to Plant: Direct seed after last frost OR start indoors 6-8 weeks before last frost

How to Plant:  

Direct sow:  sow seeds ¼” deep after the last frost.  Zinnia seeds should germinate in 14-21 days. Thin young plants to 1 foot apart. 

Transplant: sow seeds indoors ¼” deep in flats or containers 6-8 weeks before last frost. Seeds should germinate in 14-21 days. Harden off seedlings before transplanting after all risk of frost is passed. Space plants 1 foot apart.

When to Harvest: Harvest Zinnia through Summer and into Fall. Harvest regularly to encourage bushier growth and increase yield. 

How to Harvest:  Harvest blooms when almost fully open. Deadhead regularly for extended flowering. 

Uses: Elegant cut flowers. Attractive to hummingbirds and butterflies. 


This is a great all around open pollinated flower variety, adaptable to any home flower garden.

You will be 100% satisfied with the quality of our California Giants Zinnia Flower Seeds.

Available direct from Incredible Seeds, a Canadian Heirloom and Heritage Seed Company, offering only the best natural, non-GMO, open pollinated and untreated seeds, located in Nova Scotia, Canada.

  • $2.99

We Also Recommend