When to Plant Sunflowers in Your Garden

Sunflowers, known as Helianthus, are a vibrant summer symbol that adds charm to gardens, use this guide to find out when tio plant sunflowers.

These North American natives, available in various heights and colors, are versatile and suitable for both vegetable and flower gardens.

While often associated with towering prairie varieties, compact cultivars thrive in different hardiness zones.

Plant sunflower seeds in late spring, ensuring soil warmth for germination between 70 to 85 degrees Fahrenheit.

Choose a sunny location, prepare well-draining soil with compost, and maintain a slightly acidic pH between 6.0 and 7.5.

Plant seeds at least 1/2 inch deep, spacing them 6 inches apart, and thin seedlings once they sprout.

Sunflowers demand ample water during germination, requiring thorough watering until soil moisture is consistent.

To ensure optimal growth, provide proper care with regular watering, minimal fertilization, and effective weed control.

Harvest sunflower seeds approximately 30 days after pollination, allowing the back of the sunflower head to turn brown.

Learn how to harvest Sunflower seeds to plant here.

Store harvested seeds in airtight containers in the refrigerator for freshness, and enjoy the beauty and benefits of sunflowers all summer.

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