Aeonium Going Dormant in Summer — Why It Drops Leaves & Looks Dead

Your Aeonium is curling up and dropping leaves in summer heat. This is normal summer dormancy. Learn how to care for dormant Aeonium and when active growth returns. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: Aeonium are winter growers that go dormant in hot summer months — opposite of most succulents. During dormancy, rosettes curl tightly and outer leaves dry and drop — this looks alarming but is normal. Dormancy is triggered by temperatures above 85°F and long hot days. Active growth resumes in fall when temperatures cool and days shorten. Overwatering during dormancy is dangerous — dormant roots are not actively absorbing water. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: Aeonium are native to the Canary Islands with mild winters and dry summers. Their growth cycle is reversed: active in cool months, dormant in hot months. Summer heat signals the plant to conserve energy and reduce water loss. Indoor growers in air-conditioned homes may see minimal dormancy. Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Recognize dormancy: tightly curled rosettes and dried outer leaves in summer are normal. Reduce watering dramatically — once monthly at most during summer dormancy. Move to a shadier spot if in direct hot sun — avoid temperatures over 100°F. Do not fertilize during dormancy — the plant cannot use nutrients while resting. Resume regular watering and care in fall when rosettes open up and new leaves appear. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

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