Echeveria macdougallii aka Mac Dougall's Echeveria

Echeveria macdougallii is an easy-to-care-for succulent, making it suitable for beginners. It is drought-tolerant, has no serious pest or disease problems, and thrives with minimal intervention. The main requirements are bright light and well-draining soil — get these right and the plant largely takes care of itself.

Echeveria macdougallii is a compact, slow-growing succulent that reaches up to 30 cm (12 inches) in height. It forms small rosettes approximately 3 cm (1.2 inches) in diameter on upright, woody stems. Growth is slow, so reaching mature size takes several years. The leaves are tiny — just 1.5 cm long and 0.4 cm wide — giving the plant a delicate, miniature appearance.

Echeveria macdougallii thrives in temperatures between 15–25°C (59–77°F) during active growth. Indoors, maintain 18–27°C (65–80°F) in the growing season and allow cooler temperatures around 15°C (60°F) in winter. It can tolerate brief cold snaps down to about -3.9°C (25°F) but is not frost-hardy and should be brought indoors or protected when temperatures drop below freezing.

Yes, Echeveria macdougallii produces bell-shaped flowers in summer. The flowers are red with yellow edges on the petals, appearing in small clusters of typically 3 blooms on stalks up to 9 cm (3.6 inches) tall. Individual flowers grow to about 1.2 cm (0.5 inches) long. Adequate sunlight is important to encourage flowering.

Echeveria macdougallii can be propagated through offsets, leaf cuttings, or seeds. For leaf cuttings, remove a healthy leaf, let it callus for several days, then place it on moist succulent mix. Seed propagation is possible but not recommended due to the plant's slow growth rate.

Repot Echeveria macdougallii every 2 to 3 years, or when it becomes rootbound. Spring is the ideal time, as the plant enters its active growth phase. Gently remove the plant from its pot, shake off old soil, inspect roots for rot, and replant in fresh well-draining cactus or succulent mix. Allow the soil to remain dry for a few days after repotting before resuming watering.

Echeveria macdougallii has no serious pest or disease problems. The most common issue is mealybugs, which can be treated with isopropyl alcohol or neem oil. Scale insects and spider mites may occasionally appear. Dead leaves left at the base of the plant can harbor pests and promote fungal growth, so remove them regularly. Root rot from overwatering is the most common disease-related problem — ensure well-draining soil and avoid water sitting in the rosette.

Echeveria macdougallii is native to the state of Oaxaca in southern Mexico, where it grows in desert and dry shrubland habitats. It was discovered by Thomas Baillie MacDougall (1895–1973), a Scottish-born horticulturist and botanist who extensively explored the flora of Oaxaca. The species was formally described by Eric Walther in 1958.

Echeveria macdougallii can grow outdoors in USDA zones 9b through 11b, where minimum temperatures stay above about -3.9°C (25°F). It does best outdoors in full to partial sun with excellent drainage. In cooler climates, grow it outdoors during summer and bring it inside before frost. It is not frost-hardy and will suffer damage from prolonged freezing temperatures.

Echeveria macdougallii requires minimal pruning. Regularly remove dead or dried leaves from the base of the plant to prevent pest infestations and fungal problems. If the plant becomes leggy from insufficient light, you can cut the rosette from the stem, let it callus, and replant it to encourage a more compact form. Spent flower stalks can be trimmed back once blooming is complete.

In spring and summer, Echeveria macdougallii is actively growing — water every 7-14 days and fertilize monthly at half strength. During hot summer periods, growth may slow or stagnate; keep the plant in a well-ventilated area and avoid intense afternoon sun. In fall and winter, reduce watering significantly and stop fertilizing as the plant enters semi-dormancy. The leaf margins often display their most vivid pink-red coloration during the cooler months.

Yellow leaves on Echeveria macdougallii are most commonly caused by overwatering or poor drainage, leading to root rot. Check that the soil dries completely between waterings and that the pot has drainage holes. Lower leaves naturally yellow and dry as the plant grows — this is normal leaf reabsorption. If yellowing is widespread, remove the plant from its pot to inspect the roots for rot and repot in fresh, dry succulent mix.

Drooping in Echeveria macdougallii typically signals either overwatering (soft, mushy leaves) or underwatering (wrinkled, deflated leaves). Check the soil moisture — if it's wet and the leaves are soft, reduce watering and check for root rot. If the soil is bone dry and leaves feel thin, give the plant a thorough soak. Insufficient light can also cause weak, drooping growth as the plant stretches toward a light source.

Mac Dougall's Echeveria does best in dry soil and should only be watered sparingly.

The Mac Dougall's Echeveria is very susceptible to soil that is too wet, so it's essential to choose a potting soil that drains well and does not retain excessive moisture. A soil mix that includes plenty of perlite or vermiculite for drainage and some organic matter for nutrition is ideal. You can easily create this type of soil by adding a few handfuls of perlite to regular cactus soil from the store.

Mac Dougall's Echeveria requires abundant, bright, and direct light to thrive. The best placement for this plant is within one foot of a window to ensure it receives enough light. If you live in an area with more extreme weather, such as hot summers or cold winters, you may need to adjust the placement of the plant accordingly. During hot summer months, it is important to place the plant away from full sun, as this can cause the leaves to yellow or burn. During cold winter months, it is best to move the plant closer to the window to take advantage of the extra light that can help it survive. By keeping an eye on the current weather in your area, you can make sure your Mac Dougall's Echeveria is always in the right place to thrive.

Mac Dougall's Echeveria prefers dry environments, but by misting the plant or providing extra humidity, water will linger on the leaves and create an ideal environment for fungi that could be harmful.

The Mac Dougall's Echeveria is known for its slow growth and doesn't require fertilizing beyond its potting soil. Replacing the soil in its pot once a year should offer it sufficient nutrition. It's essential to remember that plants get their energy from the sun, not from fertilizers.

No verified data on the toxicity of this plant exists within Ploi's records. Should you, someone in your family, or your pet ingest plant material with an unknown toxicity level, it is recommended to seek medical advice.