Rhododendron Festival

Cape Cod Events - Heritage Museum Rhododendrons

Rhododendron Festival

Thousands of world-famous rhododendrons in over 100 varieties offer an explosion of spectacular blooms throughout Heritage. Enjoy a peaceful walk surrounded by walls of flowers, learn more about Heritage’s storied rhododendron legacy, participate in activities with horticulture experts, and take home one of these signature plants from the special plant sale. All programs are free with museum admission. No advance registration required.

Daily Rhododendron Collection Walking Tour
Saturday, May 25 – Sunday, June 2
11-11:30 am and 2-2:30 pm
Meets at the Dexter Terrace

Take a deep dive into the world of rhododendrons. Discover how the work done by two hybridizers—Charles Dexter and Jack Cowles—contributed to the genus Rhododendron and created the plants that are so loved today. Guides will select the most spectacular spots for viewing these stunning plants daily.

Rhododendron Care and Pruning Demonstration
Saturday, May 25 – Sunday, June 2 (no program on Monday, May 27)
12-12:30 pm
Meets at the Dexter Terrace

Heritage’s Horticulture staff share the basics on how to maintain and care for your rhododendrons. Included are demonstrations of ideal growing situations, watering, fertilizing, mulching, pest control, and dead-heading to encourage optimal health and beauty. Learn how to selectively prune your plants to improve vigor, increase bloom density, control height, and enhance ornamental value. Discuss the tools, techniques, and timing needed for effective pruning and watch a demonstration of techniques on various plants during a walk through the garden.

The event is ongoing.

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