Common zinnia 'California Giant'

Zinnia elegans

How to grow Common zinnia 'California Giant'

  • Full Sun

  • Medium

Full sun, compost amended soils will bring about the largest flowers and tallest stems.1

A four month fertilizer during planting will really improve growth. Fertilizing starting in spring after frost will bring on the very largest flowers. 1

Position in a full sun location and remember to water moderately. California Giant is generally regarded as a tender plant, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside. California Giant needs a loamy and sandy soil with a ph of 6.0 to 6.5 (weakly acidic soil).

Growing California Giant from seed

By seed, can be started indoors and transplanted after all chance of frost has passed.1

Try to aim for a seed spacing of at least 11.7 inches (30.0 cm) and sow at a depth of around 0.25 inches (0.64 cm).

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

Transplanting California Giant

Can be transplanted after all chance of frost has passed.1

California Giant is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately 21°C / 70°F.

Harvesting California Giant

Other Names for Common zinnia 'California Giant'

Zinnia Elegans, Mammoth Zinnia,

Footnotes