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March is the perfect time to start planting annuals that will provide vibrant color throughout the growing season. Choosing the right varieties can ensure your garden remains lively and beautiful from spring to fall. Here are the top 7 annuals to plant in March for continuous blooms.
1. Petunias
Petunias are a garden favorite due to their wide range of colors and patterns. They thrive in full sun and well-drained soil. Planting petunias in March allows them to establish early, resulting in abundant blooms from spring through fall. Regular deadheading encourages more flowers and keeps the plants looking their best.
2. Marigolds
Marigolds are hardy annuals that bloom profusely with minimal care. They are excellent for borders, containers, and flower beds. Marigolds are also known for their pest-repelling properties, making them a practical choice for vegetable gardens. Plant marigolds in March to enjoy their cheerful orange and yellow flowers all season long.
3. Zinnias
Zinnias are easy to grow and come in a variety of colors and heights. They love full sun and well-drained soil. Starting zinnia seeds indoors in March or planting seedlings outdoors early in the month can lead to a long-lasting display of vibrant blooms. Deadheading spent flowers will promote continuous flowering.
4. Cosmos
Cosmos are tall, airy annuals that add a whimsical touch to gardens. They are drought-tolerant and attract pollinators like bees and butterflies. Sow cosmos seeds directly in the garden in March for a succession of delicate, colorful flowers throughout summer and fall.
5. Snapdragons
Snapdragons provide vertical interest and come in a variety of colors. They prefer cooler temperatures, making early March an ideal time for planting in many regions. Regular watering and staking will help snapdragons produce tall spikes of flowers that bloom from spring to early summer.
6. Calendula
Calendula, also known as pot marigold, is a hardy annual that blooms in early spring. Its bright orange and yellow flowers are edible and medicinal. Sow calendula seeds directly in the garden in March for a cheerful display that lasts into early summer.
7. Sweet Alyssum
Sweet Alyssum is a low-growing annual with tiny, fragrant flowers. It is perfect for edging, containers, or hanging baskets. Plant sweet alyssum in March to enjoy its delicate blooms and sweet scent throughout the growing season. It also attracts beneficial insects to your garden.