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Hylotelephium maximum (Grand Stonecrop)


Scientific Name

Hylotelephium maximum (L.) J.Holub

Common Names

Grand Stonecrop


Anacampseros assurgens, Anacampseros calcareus, Anacampseros cebennensis, Anacampseros chlorotica, Anacampseros collina, Anacampseros corsica, Anacampseros delphinensis, Anacampseros erubescens, Anacampseros maxima, Anacampseros millieri, Anacampseros minor, Anacampseros pachyphylla, Anacampseros praeruptorum, Anacampseros recurva, Anacampseros serotina, Anacampseros subrotunda, Anacampseros ternata, Anacampseros verlotii, Hylotelephium maximum subsp. scherfelii, Hylotelephium scherfelii, Hylotelephium telephium subsp. maximum, Sedum glaucopruinosum, Sedum haematodes, Sedum latifolium, Sedum maximum, Sedum maximum f. rufescens, Sedum maximum f. umbrosum, Sedum maximum subsp. glaucopruinosum, Sedum maximum var. atropurpureum, Sedum maximum var. atropurpureum, Sedum maximum var. glaucopruinosum, Sedum maximum var. scherfelii, Sedum pseudotelephium, Sedum telephium subsp. maximum, Sedum telephium subsp. suecicum, Sedum telephium var. alpestre, Sedum telephium var. assurgens, Sedum telephium var. cebennense, Sedum telephium var. chloroticum, Sedum telephium var. collinum, Sedum telephium var. erubescens, Sedum telephium var. glaucopruinosum, Sedum telephium var. maximum, Sedum telephium var. millieri, Sedum telephium var. minus, Sedum telephium var. pachyphyllum, Sedum telephium var. praeruptorum, Sedum telephium var. pseudotelephium, Sedum telephium var. rotundatum, Sedum telephium var. serotinum, Sedum telephium var. subrotundum, Sedum telephium var. verlotii, Telephium maximum

Scientific Classification

Family: Crassulaceae
Subfamily: Sedoideae
Tribe: Sedeae
Subtribe: Sedinae
Genus: Hylotelephium


This species is native to Europe and western Asia.


Hylotelephium maximum, also known as Hylotelephium telephium subsp. maximum, is a giant stonecrop that produces clusters of erect or ascending stems with drab green to brown-maroon leaves. The stems grow up to 32 inches (80 cm) tall from a tuberous rootstock. Leaves are egg-shaped, up to 4 inches (10 cm) long, and have blunt teeth on its margins. Flowers are creamy white, sometimes with a greenish, yellowish, pinkish, or purple tinge. They appear in clusters from late summer to fall.

This succulent was formerly known as Sedum maximum or Sedum telephium var. maximum.

The specific epithet "maximum" derives from a Latin word meaning "the greatest amount, quantity, or degree" and refers to the species' size and its more robust appearance than the other species.

How to Grow and Care for Hylotelephium maximum

Light: Hylotelephiums prefer full sun. They tolerate light to partial shade in hot summer climates but will produce weak, floppy growth when grown in too much shade or overly rich soils.

Soil: These succulents do not need rich soil, but they do need excellent drainage. Choose a commercial potting mix for succulents, or make one yourself.

Hardiness: Hylotelephium maximum can withstand temperatures as low as -30 to 30 °F (-34.4 to -1.1 °C), USDA hardiness zones 4a to 9b.

Watering: Hylotelephiums are drought-tolerant once established. The best way to water a Hylotelephium is to use the "soak and dry" method. Get the soil completely wet and then wait until it is dry before watering again.

Fertilizing: Feed annually with a balanced fertilizer. Apply the fertilizer to the soil in spring as new growth appears, according to package directions.

Repotting: Plants in containers do require little more care than those in gardens. Repot your plants when they outgrow their current pot by moving them out to a larger container to hold the plant better.

Propagation: Hylotelephiums can be grown from seeds, division, or stem cuttings.

Learn more at How to Grow and Care for Hylotelephium.

Toxicity of Hylotelephium maximum

Hylotelephium plants can be mildly toxic to humans and animals.


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