Photo: "Zinnias" by Selena N. B. H.
· CC BY 2.0
Flower · Companion-annual
Zinnia
Asteraceae
Long-blooming pollinator magnet and potential trap crop. One of the easiest annual flowers for beginners. 6 inches to 4 ft depending on variety. Blooms midsummer to frost with deadheading. Attracts aphids and Japanese beetles away from vegetables. Susceptible to powdery mildew — needs air circulation.
At a Glance
Days to Maturity
60–90 days
Sun
6+ hours
Container
Yes
Height
0.5–4 ft
Zone Planting Guide
Growing Guide
Germination
Germination Time
5–7 days
Optimal Temp
70°F
Watering
Needs
Moderate
Resilience
Heat: High
Cold: Low
Drought: Medium
Nutrition
Feeding Intensity
Light feeder
Harvest
Flowers/foliage at desired stage
Sources
university
Extension-recommended
university_extension
NC State Extension Gardener Plant Toolbox
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Zinnia Planting Dates by Zone
Planting dates for Zinnia vary by USDA hardiness zone. Select your zone below for frost dates, start-indoors timing, and a full monthly planting calendar.
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