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Zinnia seeds are a must-have for any garden, from bold pastels to disease-resistant options with low maintenance requirements. These flowers are natural pollinator magnets, helping enhance your garden's look and feel while supporting local ecosystems. Ready to plant your dream plot? Explore our collection and find the perfect zinnia seeds to get started!
Zinnias are warm-season flowers, thriving when planted after the last frost in spring. You can sow them directly into the ground or start them indoors a few weeks earlier to get a head start. For continuous blooms, consider succession planting every two to three weeks until mid-summer. They'll usually stick around until the first frost in fall.
While soaking zinnia seeds isn’t required, it can be a helpful step to speed up germination and give your plants a head start. To do this, simply soak the seeds in water for 4-6 hours before planting. This extra step can soften the seed coat, making it easier for the seedlings to sprout.
Keep in mind that zinnia seeds are naturally quick to germinate, so skipping this process won’t hold you back. Whether you choose to soak or not, you’ll still enjoy vibrant blooms with minimal effort.
Avoid planting zinnias near aggressive growers like mint or invasive grasses, as these can compete for nutrients and space, hindering your zinnias’ growth. Additionally, keep zinnias away from plants prone to mildew, such as comfrey, squashes, and cucumbers, which are members of the cucurbit family. These plants often develop powdery mildew early in the growing season, which can spread to nearby zinnias.
To reduce the risk of root rot, fungal rust, and mildew outbreaks, ensure proper spacing and good air circulation around your zinnia plants. If you need help controlling these factors or want to grow your zinnia seeds inside, try one of our Bio Domes. These offer premium humidity control to minimize risk.
If you’re searching for plants to grow alongside your Zinnias, we recommend:
Marigolds - Marigolds not only add complementary color to your garden but also help repel pests like aphids and nematodes. Their natural pest-deterrent qualities make them a goodchoice for planting alongside zinnias.
Cosmos - Cosmos and Zinnias share a love for sunny spaces and attract beneficial pollinators like bees and butterflies. Their similar growth habits and colorful blooms make them visually appealing when paired together.
Nasturtiums - Nasturtiums are excellent for adding ground cover and vibrant hues beneath your zinnia plants. They also act as trap crops, drawing pests like aphids away from your zinnias, helping to keep your garden healthier overall.
Zinnias are great for beginner gardeners and experienced hobbyists alike. The planting process is straightforward, giving you beautiful flowers with zero hassle. Here’s how to get started:
Choose a sunny location with well-draining soil.
Prepare the soil by loosening it and removing weeds.
Sow the seeds about 1/4 inch deep and 6-12 inches apart.
Water gently but thoroughly after planting.
Thin seedlings to ensure proper spacing once they emerge.
Keep the soil consistently moist until the plants are established.
If you want extra guidance, check out our Zinnia Growing Guide for a detailed explanation. You’ll have a full blooming garden in no time!
We offer a range of disease-resistant zinnia seeds, including the Profusion series and Zinderella zinnias.
Profusion zinnias are known for their compact growth and vibrant blooms, which thrive in challenging conditions, including high humidity and heat. These varieties bring bold color to your garden and reduce the need for intensive maintenance.
The Zinderella series is prized for its unique, double-layered petals and resistance to powdery mildew, making it a standout choice for gardeners who want beauty and durability.