What is the difference between the succulent Sedum pachyphyllum and Sedum clavatum?

The main differences between Sedum clavatum and Sedum pachyphyllum lie in plant size, leaf color, water and fertilizer needs, and light requirements. Sedum clavatum has a petite plant form, with thick leaves that easily turn red, and prefers a humid environment. Sedum pachyphyllum has a larger plant form, with evergreen leaves that are difficult to redden, and is not demanding regarding water and fertilizer, preferring light.

The difference between Sedum clavatum and Sedum pachyphyllum

1. Plant form

Sedum clavatum and Sedum pachyphyllum both belong to hybrids of the Sedum and Echeveria genera in the Crassulaceae family, so the two look very similar. However, distinguishing the two plants is not very difficult; the simplest way is by plant size. Sedum clavatum has a very small plant form, often less than half the size of Sedum pachyphyllum, appearing especially petite and delicate.

2. Color

Another difference between Sedum clavatum and Sedum pachyphyllum lies in color. While Sedum pachyphyllum is larger in size, its leaves also appear especially broad and thick, larger than those of Sedum clavatum and much greener. The leaves of Sedum clavatum easily turn reddish in sunlight, while the leaves of Sedum pachyphyllum are relatively difficult to turn red.

3. Water and fertilizer

Although Sedum clavatum and Sedum pachyphyllum belong to the same genus of succulent plants and therefore both have relatively high water needs, Sedum clavatum is not tolerant of excessive moisture or waterlogging, while Sedum pachyphyllum is more tolerant and can also accept a relatively dry environment for a period of time. Also, Sedum clavatum's fertilizer needs are less than half those of Sedum pachyphyllum.

4. Light

Sedum clavatum easily turns red under light and is very sensitive to light stimulation, so when the light intensity is slightly stronger, it should be moved to a semi-shaded spot to receive scattered light, otherwise sunburn can easily occur. Sedum pachyphyllum, however, can tolerate somewhat stronger light and only needs slight shading at midday in summer.