
Zinnia
Uses:
- Garden Beds
- Borders
- Containers
Features:
- Easy Care
- Re-Blooming
- Attracts Pollinators
Sunlight:
- Full Sun
- 6+ Hours of Direct Sun
Zinnias are bright flowering annuals that bloom from early summer to first frost. The blooms can be single to fully double in almost every color of the rainbow. Some types are tall and can reach 4 feet high, while others stay small, under 12 inches. Use these cheerful plants in pollinator gardens, cut-flower beds, containers, or wherever you need a pop of easy color!
About Zinnias

Zinnia
Mexico, Central America, Southern United States
Annuals
Deciduous, Herbaceous
3 - 10
Red, Orange, Pink, Yellow, White, Purple, Peach
Summer to fall
Clumping, Spreading, Upright, Mounded
Bees, Hummingbirds, Butterflies
Drought, Heat
Moles
How To Use Zinnias In The Garden
Zinnias are prized for their spectrum of petal colors, flower shapes, and adaptable heights. Warm conditions allow them to keep producing showy heads into autumn, while pollinators frequent the open-faced blooms. These summery annuals respond well to basic care and minimal watering, and are virtually trouble-free. Additionally, zinnias are popular choices for cut flower arrangements due to their sturdy stems and prolonged vase life.
Border edges benefit from dwarf strains that deliver consistent hue without overshadowing smaller neighbors. In the back row of a mixed bed, taller types create bold vertical interest alongside airy grasses or spiky salvias. Interplant seeds at staggered intervals so you’ll always have some stems for arrangements. Merge them with companions like dusty miller or black-eyed Susan for a radiant, sun-loving display.
Zinnia Care
Plant zinnias in spring after the last frost, ensuring ample space between plants to promote air circulation and prevent mold or fungal issues. Select a location with full sun exposure for optimal growth and blooming. While zinnias can tolerate poor soil, they flourish in fertile, well-drained areas. During dry spells, monitor for signs of water stress and irrigate the soil around the base, keeping foliage dry to minimize disease risk. Monthly applications of a balanced, water-soluble fertilizer from spring through fall will support a prolific bloom cycle.
Regular deadheading of spent flowers maintains a tidy appearance and encourages continuous blooming. If powdery mildew or fungal infections appear, thin the plants to improve air circulation. For container cultivation, choose pots with at least a 10-inch diameter and ensure the soil remains consistently moist but not waterlogged. While zinnias complete their life cycle in one season, seeds may self-germinate, providing new plants the following year.
Learn More About Zinnia Care

Zinnia Companion Plants
Any zinnia companions must be content in a site with full sun, loose, fast‑draining soil and only moderate irrigation and fertility. Architectural ornamental grass punctuates the border with upright foliage that echoes zinnia stems yet asks for the same drought‑tolerant care, while hardy salvia threads deep, nectar‑rich spikes between the daisies to extend color and feed pollinators all season. At ground level, chartreuse sweet‑potato vine weaves a bold carpet that suppresses weeds beneath the blooms, and a low creeping juniper supplies year‑round dense foliage that anchors the planting long after the annuals have finished.