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Palmer's Sedum

Palmer's Sedum

Sedum palmeri · Crassulaceae

🌿 Common garden plant

📷 This picture is a work by Emmanuel Douzery. Please credit this with: Picture : Emmanuel Douzery in the immediate vicinity of the picture. If you use one of m… · CC BY-SA 4.0

ExposureFull sun
WateringLittle water
Hardiness~-10 °C
Mature size~20 cm
CareEasy
Bloomingfrom June to July

The gardener's calendar

The right move for September

In autumn, ease off feeding and take the chance to clean up around palmer's sedum and prepare for winter.

JFMAMJJASOND Bloom Planting

ID card

Foliage
Evergreen, succulent and colorful
Flowering
June to July, star-shaped yellow flowers
Adult size
Approximately 20 cm in height
Growth
Slow to moderate
Hardiness
Moderate, protect from intense frost
Origin
Mexico (Sierra Madre)
Soil type
Well-drained, light and poor

✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.

Expert tips

✓ Taxonomy verified

The key tip

Sedum palmeri is extremely light-hungry and ultra-sensitive to excess water: full sun, very well-drained soil, almost no watering once established. Less than 4 hours of direct sunlight = guaranteed failure.

The common mistake

Growing it in partial shade or partial shadow makes it soft, pale green, and kills the beautiful red color of the leaves.

The pro's trick

Take a few cuttings every two or three years to keep your plants young and vigorous.

Care

Watering

Palmer's stonecrop is a succulent very tolerant of drought. Water moderately during the growing period (spring-summer), approximately every 10 to 15 days. In autumn and winter, drastically reduce watering or stop completely. Let the soil dry between waterings to prevent root rot.

Light exposure

This plant needs plenty of light to thrive well. Place it in full sun, at least 6 to 8 hours per day. A sunny exposure strengthens the coloring and compactness of the foliage. In shade, it will become leggy and lose its beautiful hue.

Soil and substrate

Use a very well-draining substrate, composed of cactus potting mix or light mixture added with perlite, coarse sand or gravel. Stonecrop hates rich and waterlogged soils. A perforated pot and optimal drainage are essential for root health.

Fertilizing

Apply diluted fertilizer for succulents once a month during the active growing period (April to September). Moderate application is sufficient as these plants need few nutrients. Stop feeding in autumn and winter.

Pruning and shaping

Palmer's stonecrop is naturally compact and doesn't require regular pruning. Remove dead or damaged leaves in spring. To encourage branching, you can lightly pinch the tips, but this is not essential.

Diseases and pests

In overly humid conditions, root rot or fungal issues may appear. Avoid excess water and ensure good air circulation. Pests (scale insects, spider mites) are rare but possible indoors: inspect regularly and isolate if needed.

Did you know?

Palmer's stonecrop owes its common name to John Grafton Palmer, a 19th-century American botanist passionate about Mexican flora. Like many Sedums, this small succulent accumulates water in its fleshy leaves and can survive several weeks without watering, a remarkable adaptation to the arid conditions of its native Mexico.

Where to buy it

Plant in spring, once all risk of frost has gone. Pick a plant with healthy foliage and roots that are not exposed. Best time: from April to June.

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Tips generated and checked by Viridia — adapt them to your local climate.