Ashleigh Smith + photo

Ashleigh Smith

Apr 11
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zinnia flower garden

Zinnias are one of the most popular flowers out there for many reasons. They are incredibly colorful, coming in shades of red, pink, orange, yellow, green, purple, and white. Because they are developed from three different types of zinnia, you can find them in various heights suitable for anything from hanging baskets to hiding a fence line. Whether you want something small and dainty or large and full, there is a zinnia for you. You can expect zinnias to bloom throughout the summer and up to the first fall frost. We recommend growing your zinnias from seed as they are one of the easiest flower types to grow and do well in hot and drought-prone regions. Learn how you can get started below!

Special Collection Zinnias

Lilliput Semi-dwarf zinnia mix special collection
California Giant Zinnia Special Collection

Lilliput Mix - A shorter semi-dwarf variety that also works well in hanging baskets. Try growing in mass for a flowing blanket of color throughout the summer.

California Giant Mix - This large bloom is quite impressive with its flowering heads that span 5-6 inches in diameter. These zinnias can also rise up to 4 feet tall, making them a great option for camouflaging fence lines and adding a splash of color against your home.

Zinnia Growing Information

  • Native: Mexico and the Southwestern U.S.
  • Family: Asteraceae
  • Life Cycle: Annual
  • Hardiness Zone: 2-11
  • Days to Maturity: 60-80 Days
  • Days to Germination: 5-7
  • Seeding Depth: 0.25 inches
  • Plant Spacing: 8-24 inches
  • Germination Temperature: 70-75 F
  • Temperature Preference: 55-65 F
  • Direct Sow: Yes
  • Start Indoors: 4-6 weeks
  • Light Preference: Full Sun
woman standing in zinnia flower garden
  • Soil Preference: Rich, fertile, well-draining, pH 6-8.
  • Watering: Zinnias have normal watering requirements and do not like to have wet feet. To help prevent issues with pests and diseases, water near the soil surface. If your soil tends to stay wet, amend it with sand, perlite, or a mix of materials to improve its drainage ability.
  • Attracts: Pollinators such as bees, butterflies, and hummingbirds.
  • Disease: Susceptible to powdery mildew, leaf spots, root rots, and blights.
  • Pests: Japanese beetles, aphids, and mites. Fungal blooms are more likely in shaded or moist conditions.

To grow zinnias from seed, plant 0.25 inches deep in an area that has been cleared of any weeds. Make sure your growing location gets full sun (8+ hours) and can be watered regularly. Plant seeds approximately 8-12 inches apart for most varieties. Larger varieties like the California Giant or State Fair Mix can be planted up to 24 inches apart as they can get quite large. Around 60-80 days (depending on variety), you can start enjoying your lovely Zinnia blooms. Harvesting flower heads from time to time or deadheading spent blooms can help encourage more flowers to develop throughout the growing season. Zinnias are not hardy and may be removed after your first fall frost. If left to flower and produce seeds, you may see new sprouts the following spring.

Zinnias are Edible

In addition to being pretty to look at, Zinnias are also edible. Their flavor can be bitter, so it is best to pair them with other ingredients or stick to using them as a garnish. It is recommended to separate the petals from the seeds. This summer is the perfect time to start using more flowers in your everyday cooking or to impress your friends and family. Get started by including zinnia petals in recipes such as mint limeade, sugar cookies, or as a fancy toast topping. Keep your drinks pretty all summer long by adding a few petals to your ice trays.

Zinnia flower infused tea

Bloom Types

crystal series single bloomer zinnia

Single: A single row of petals with a visible center.

Red Beauty semi-double blooming zinnia

Semi-double: Multiple rows of petals with a clearly visible center.

special collection California Giant and Lilliput double blooming zinnias

Double: Multiple rows of petals that create a full look that may hide the center of the flower.

Types of Zinnias

Zinnia elegans - The common type which is also used to create many new crosses. This type can have single, semi-double, or fully double blooms. Because these are most often used for creating new varieties, they are also known for the best color selection.

Zinnia haageana - This type tends to be shorter than the elegans type, with heights around 12-18 inches. They are also primarily available in shades of red, orange, and yellow, with two colors visible on each bloom.

Zinnia angustifolia - Low-growing type with orange and yellow striped petals.

Zinnia Meaning

In the language of flowers, zinnias are associated with love, affection, desire, and romantic interest. Add these beautiful blooms to your cut flower arrangements when gifting flowers to friends you are missing or that special someone in your life.

Cut Flowers

Zinnias make great cut flowers, especially the varieties with tall stems and large blooms. Some of our favorite varieties for a cut flower garden are the State Fair Mix, California Giant Mix, and Zowie Yellow Flame.

woman holding a zinnia bouquet in a field

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