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Hollyhocks are iconic garden flowers that add height and color to any landscape. Proper fertilizing is essential for healthy growth and vibrant blooms. Understanding the seasonal needs of hollyhocks can help gardeners achieve the best results throughout the year.
Early Spring Fertilizing
As hollyhocks emerge from winter dormancy, they require a boost to support new growth. Apply a balanced, slow-release fertilizer with equal parts nitrogen, phosphorus, and potassium. This encourages strong stems and healthy foliage.
Mix the fertilizer into the soil around the base of the plants, avoiding direct contact with the stems. Water thoroughly after fertilizing to help nutrients penetrate the soil.
Mid-Season Fertilizing
During the peak flowering period, hollyhocks benefit from additional nutrients to support continuous blooms. Use a fertilizer high in phosphorus, such as a 10-20-10 formula, to promote flower production.
Apply fertilizer every 4-6 weeks, especially if the plants are in rich, well-drained soil. Regular watering helps ensure the nutrients are absorbed effectively.
Fall Fertilizing and Care
As the growing season winds down, reduce fertilization to prepare hollyhocks for winter. Use a low-nitrogen fertilizer to prevent excessive top growth, which can be damaged by frost.
Apply a light feeding in early fall, then cease fertilizing as temperatures drop. Mulching around the base of the plants helps insulate roots and maintain soil moisture.
Additional Tips for Healthy Hollyhocks
- Ensure well-draining soil to prevent root rot.
- Water deeply but infrequently to encourage deep root growth.
- Stake tall varieties to prevent wind damage.
- Remove faded flowers to promote reblooming.
- Monitor for pests such as rust and aphids.
By following these seasonal fertilizing tips, gardeners can enjoy lush, vibrant hollyhocks year after year. Proper nutrition combined with good cultural practices will ensure these charming flowers thrive in any garden.