Zinnia Flower Seeds

Add a rainbow to your garden with zinnia seeds!

27 products

Zinnia Flower Seeds - Grow Organic

Explore Our Organic Zinnia Seeds Collection – Zinnia Seeds for Sale for Every Garden!

Zinnia seeds are beloved for their vibrant blooms, easy care, and stunning variety of colors and forms. Native to Mexico and part of the Asteraceae family, zinnias are fast-growing annuals that thrive in full sun and warm weather. Popular species like Zinnia elegans and Zinnia angustifolia offer flower types ranging from pompom to star-shaped in vivid shades of red, pink, orange, yellow, and white.

Whether for seasonal beauty or cut flower arrangements, zinnia seeds are an excellent choice for gardeners of all skill levels. Many grow 12–18 inches tall, making them perfect for beds, borders, and bouquets. Organic zinnia seeds are especially popular among eco-conscious growers.

Zinnias attract pollinators, resist powdery mildew, and bloom continuously with regular deadheading. For best results, sow zinnia seeds after the last frost in well-drained soil with good airflow.

Explore our full selection of zinnia seeds for sale, including colorful blends and certified organic zinnia seeds, to bring long-lasting charm to your garden.

Planting Zinnias:

  • Ideal Conditions: Zinnias thrive in full sun exposure, requiring at least 6-8 hours of direct sunlight daily for optimal growth and abundant flowering.
  • Frost Consideration: Wait until the frost has passed before planting zinnia seeds directly into well-drained soil. Ensure the soil has warmed adequately for successful germination.
  • Sowing Depth: Plant zinnias about an inch deep in the soil, ensuring adequate coverage while allowing space for seedling emergence.

Cultivation Tips:

  • Spacing: When planting zinnia seeds, provide adequate space, roughly 12 inches apart, allowing room for growth and air circulation, which helps prevent issues like powdery mildew.
  • Air Circulation: Adequate spacing encourages air circulation between plants, reducing the likelihood of powdery mildew formation, a common issue among zinnias.
  • Soil Quality: Ensure well-drained soil for zinnias to prevent waterlogging, promoting healthy root growth and minimizing the risk of diseases.

Zinnias' Unique Characteristics:

  • Flower Variety: Zinnia flowers boast a wide range of colors and forms, including double flowered varieties, adding diversity to gardens and floral arrangements.
  • Drought Tolerance: These flowers exhibit a remarkable ability to withstand dry conditions, making them a practical choice for gardens with varying watering schedules.

Preventing Powdery Mildew:

  • Attention to Detail: Maintain good air circulation around the base of the plants, ensuring proper spacing and avoiding excessive moisture buildup, which can lead to powdery mildew.
  • Early Intervention: Monitor plants for signs of powdery mildew, applying appropriate treatments early on to prevent its spread and preserve the health of the zinnias.

Admiring the Beauty of Zinnias:

  • Visual Appeal: Zinnias, renowned for their striking beauty, add a burst of color to gardens, attracting pollinators and providing an aesthetic delight to garden enthusiasts.
  • Cut Flower Use: Consider cutting zinnia flowers for arrangements, as they boast exceptional vase life and maintain their vibrant colors for an extended period.

Caring for Zinnias:

  • Fertilization: Avoid excessive fertilization, as zinnias thrive in moderate soil fertility. Follow recommended guidelines to maintain healthy growth without overwhelming the plants.
  • Pruning Spent Blooms: Regularly deadhead or prune spent blooms to encourage continual flowering and maintain the plant's vigor throughout the growing season.

Zinnia seeds offer a brilliant array of colors and flower forms, making them a standout choice for gardeners looking to add charm and vibrancy to their outdoor spaces. Known for their resilience and ease of growth, zinnias are perfect for both beginners and seasoned gardeners alike.

Plant a variety of easy-to-grow zinnia seeds this season to attract beneficial insects and pollinators, naturally boosting your garden’s health. Ideal for cut flowers, all of our flower seeds are open-pollinated, meaning they’re naturally pollinated by birds, insects, wind, or other natural methods.

We offer a wide selection of zinnia seeds for sale, including colorful blends and high-quality organic zinnia seeds—perfect for eco-conscious growers who want bold blooms and sustainable gardening solutions. With proper care and attention to spacing and airflow to avoid powdery mildew, zinnias will thrive and bloom all season long.

For more information on zinnias, see our companion guide in the Resource Center or this summary from Pennsylvania State University.

FAQs: Annie's Perennials

What are perennial plants?

Perennial plants live for more than two growing seasons. If properly cared for, they will return year after year with consistent bloom times to add color and diversity to your garden.

What is the difference between annuals and perennials?

The key difference between annuals and perennials is their lifespan. Annuals live for one growing season, although some of our annual plants do re-seed, thereby prolonging their benefits past a single season. Perennial plants and perennial flowers persist for several years, returning year after year, every growing season. Another difference is that true annuals will bloom throughout the entire season; whereas, perennials may bloom intermittently during or between seasons.

What are the benefits of growing perennials?

Perennial plants and flowers provide lasting beauty and structure to your garden. They have specific seasonal bloom times that remain consistent year after year, ensuring vibrant color for your garden throughout the seasons. Perennials also contribute to biodiversity and help the overall environment. Their deep root systems help prevent soil erosion and retain nutrients, while also sequestering carbon. Planting lots of different perennials with varied bloom times ensures consistent, reliable food sources for bees, butterflies, hummingbirds, and beneficial wildlife.

When should I buy perennials to plant?

The ideal time to plant perennials is spring or early fall. This allows them to establish their root system before extreme weather.

How do I care for perennial plants?

In general, Perennials need watering, occasional fertilization, and deadheading to encourage repeat blooming. The specific care needs can vary by type. At Annie’s Annuals & Perennials, we offer many native and low water, low-maintenance perennials to make planting and caring for them easy. We want to make gardening success attainable for everyone.

Can you plant perennials in pots or containers?

Yes! We have hundreds of perennial plants that work well in containers as well as in garden beds. Just make sure your pot size is adequate for the root system of your particular plant.

Do perennials require full sun?

Some perennials prefer full sun, which typically means at least 6 hours of direct sunlight daily. Other varieties require full or partial shade. At Annie’s Annuals & Perennials, we offer you many options for both shade and sun plants to fit every gardening need.

Do perennials attract pollinators and wildlife?

Yes! Perennials, with their reliable bloom times, are valuable additions to a pollinator-friendly garden. They provide consistent food sources for bees, butterflies, hummingbirds and other beneficial wildlife. Planting many different perennials with varied bloom times will attract and feed pollinators throughout all of the seasons.

What are some popular perennial flowers?

Some common perennials include <strong>Yarrow</strong> (Achillea millefolium), </strong>African daisies</strong> (Arctotis) </strong>Butterfly Bush</strong> (Buddleja davidii), <strong>Campanula, Dahlia, Delphiniums, Peonies (Paeonia), Roses (Rosa), Irises, and Coneflowers</strong> (Echinacea). At Annie’s Annuals & Perennials, we offer almost hundreds and hundreds of popular perennials – like the ones previously mentioned, along with more unusual and hard-to-find varieties.

At Annie’s Annuals & Perennials, we also offer many more perennials that are quite unusual and hard to find

What are hardy perennials?

Hardy perennials are perennial plants that grow for multiple seasons and can survive very cold weather in their growing zones. For this reason, hardy perennial plants are the perfect plant selection for any garden.

Do perennials come back every year?

Yes, if planted and cared for properly, perennials will return year after year. At Annie’s, we offer hundreds of perennials that are perfect beginner plants– easy to grow and easy to care for - so everyone can garden successfully.

What are different types of perennials?

Flowering Perennials: Are known for vibrant, consistent and long-lasting blooms. Examples include peonies (Paenonia), roses (Rosa), coneflowers (Echinaea), Abutilon, Alstroemeria, african daisy (Arctotis), foxglove (Digitalis pupurea), carnations (dianthus), geraniums, sages (Salvia), Strawflowers (helichrysum bracteatum), hollyhocks and impatiens, among many others.

Foliage Perennials: Are known for their striking, colorful foliage. Hostas, heucheras, and ornamental grasses are some common varieties.

Shade-Loving Perennials: Thrive in low-light or partial shade conditions. Examples include astilbes, ferns, and bleeding hearts (dicentras). Some of our favorite shade perennials at Annie’s are Begonias, Fuchsias, Sedges, Hellebores, Heucheras, and Impatiens.

Sun-loving perennials: Thrive in full sun conditions (meaning full sun for at least 6 hours per day). Some common examples of sun-loving perennials are lavender (Lavandula), sage (Salvia), African daisy (Arctotis), and yarrow (Achillea millefolium). At Annie’s Annuals & Perennials, we offer almost one thousand sun-loving perennials – like the ones previously mentioned along with more unusual and hard-to-find varieties.

Herbaceous Perennials: These are perennial plants that die back to the ground each Fall or Winter, but whose roots remain alive and send up new growth and reemerge in the Spring or Summer. They include a variety of flowers and foliage, like columbines (Aquilegia), delphiniums, foxglove (Digitalis pupurea), and Iris.

Woody Perennials: These are shrubs and small trees that persist for many years, bringing useful structure and seasonal blooms to your garden. Examples include hydrangeas, California lilac (Ceanothus), fuchsias, and butterfly bushes (Buddleja).

Native Perennials: are well-suited to specific regions and often need less maintenance and human intervention. California native plant species might include yarrow (Achillea), California poppies (Eschscholzia californica), milkweed (Asclepias), monkey flowers (Mimulus), and some sages (Salvias), depending on your location. At Annie’s Annuals & Perennials, we offer one of the largest selections of CA native perennials to be found anywhere.

Long-Blooming Perennials: Have extended blooming periods and can include varieties like Alstroemeria, Abutilon (Flowering Maples), African daisies (Actotis), Agastache, coreopsis, yarrow (Achillea), and sages (Salvias).

Drought-Tolerant Perennials: Can withstand periods of dry conditions and need less watering. Examples include lavender (Lavandula), yarrow (Achillea), sedum (stonecrop), Agastache, Aloe, milkweed (Asclepias), and some sages (Salvias).

Deer-resistant Perennials: Have characteristics that make them less appealing to deer. Options include yarrow (Achillea), lambs' ears (Stachys byzantine), Agastache, and some ornamental sages (Salvia).

Perennial Bulbs: Some perennials grow from bulbs, including favorites like tulips, daffodils, freesias, ranunculus, and irises. They return year after year, adding color to your garden each spring.

Climbing Perennials: Perennial vines like clematis and wisteria add vertical interest to your garden, climbing trellises, arbors, and fences.