Table of Contents
Hollyhocks are stunning perennial flowers that add height and color to gardens. Their tall spires and vibrant blooms make them a favorite among gardeners. Proper care throughout the year ensures healthy growth and abundant flowers. This monthly checklist guides you through caring for hollyhocks in changing seasons.
January and February: Planning and Preparation
During the winter months, focus on planning your hollyhock garden. Review last year’s successes and challenges. Prepare seed catalogs and order new seeds if you plan to start new plants. Prune any dead or damaged stems from the previous season to encourage healthy growth.
March: Starting Seeds Indoors
Start hollyhock seeds indoors in pots or seed trays. Use well-draining soil and keep the environment warm and bright. Water sparingly to prevent damping-off disease. Harden off young plants gradually before transplanting outdoors.
April: Transplanting Outdoors
By mid to late April, when the danger of frost has passed, transplant hollyhocks into your garden. Choose a sunny location with well-draining soil. Space plants about 18-24 inches apart to allow for growth. Water thoroughly after planting.
May: Early Growth and Support
Hollyhocks begin to grow rapidly in May. Stake young plants to support their tall stems and prevent damage from wind. Mulch around the plants to retain moisture and suppress weeds. Fertilize lightly with a balanced fertilizer.
June: Encouraging Blooming
June is prime blooming season for hollyhocks. Deadhead spent flowers to promote continuous blooming. Water consistently, especially during dry spells. Watch for pests like aphids and treat with insecticidal soap if needed.
July: Mid-Season Care
Continue to deadhead and water regularly. Fertilize every few weeks with a high-potassium fertilizer to support flower production. Keep an eye out for rust, a common fungal disease, and remove affected leaves promptly.
August: Preparing for Dormancy
As the flowering season winds down, reduce watering to help the plant prepare for dormancy. Remove any remaining seed pods if you wish to collect seeds for next year. Support tall stems to prevent lodging as plants start to weaken.
September: Seed Collection and Cleanup
Collect seeds from mature hollyhock flowers for planting next spring. Cut back dead stems to ground level and clean up fallen debris to prevent disease. Apply a layer of mulch to protect roots during winter.
October and November: Preparing for Winter
In late fall, ensure all debris is cleared from the garden. Mulch around the base of the plants to insulate roots. If you live in a colder climate, consider covering hollyhocks with straw or a frost blanket for added protection.
December: Rest and Reflection
December is a quiet month. Reflect on your hollyhock garden’s performance and plan for next year. Maintain tools and prepare seed packets. Enjoy the winter beauty and anticipate a new growing season ahead.