Dodecatheon

Description

Dodecatheon is a genus of flowering plants comprising of 18 species that belong to the family Primulaceae. They are commonly known as shooting stars, owing to their unique appearance. These plants are native to North America and can be found in a wide range of habitats, from lowlands to subalpine regions. They are herbaceous perennials, which means they live for several years and die back to the ground at the end of each growing season.

Taxonomic Information

Appearance

Dodecatheon plants are known for their attractive flowers that come in various colors, including pink, purple, red, and white. The flowers have a unique shape, with five petals that curve backward and form a tube-like structure. The petals are often adorned with yellow or white markings that guide pollinators towards the nectar. The leaves of Dodecatheon are basal, meaning that they grow in a rosette at the base of the plant. They are typically lance-shaped, and their color ranges from green to reddish-purple. The plant’s height ranges from 6 inches to 18 inches.

Care Guide

Water: Dodecatheon plants prefer moist but well-draining soil. Water them regularly, especially during the growing season, but avoid overwatering, which can cause root rot.Fertilization: These plants do not require frequent fertilization. However, you can apply a balanced fertilizer once a year in the spring.Soil: Dodecatheon plants thrive in acidic, humus-rich soil. If your garden soil is alkaline, amend it with organic matter like compost or peat moss.Sunlight: These plants prefer partial shade, especially during the hottest part of the day. However, they can tolerate full sun in cooler regions.Hardiness Zones: Dodecatheon plants are hardy in USDA zones 3-8.

Common Pests & Diseases

Dodecatheon plants are generally healthy and do not have many pest or disease problems. However, they may be susceptible to fungal diseases like powdery mildew and root rot. To prevent these diseases, ensure proper air circulation, avoid overwatering, and remove any infected leaves or plants promptly.

Habitat

Dodecatheon plants are native to North America and can be found in a wide range of habitats, from lowlands to subalpine regions. They prefer moist, shady areas like forests, meadows, and stream banks. Some species are endemic to specific regions, like Dodecatheon jeffreyi, which is found only in the Sierra Nevada Mountains.

Question and Answer

Q: How do I propagate Dodecatheon plants?

A: Dodecatheon plants can be propagated by dividing the rhizomes in the fall or early spring. You can also propagate them by seed, which should be sown in the fall or early winter.

Q: Can I grow Dodecatheon plants in containers?

A: Yes, you can grow Dodecatheon plants in containers. Use a well-draining potting mix and ensure that the container has drainage holes. Water them regularly and fertilize them once a year.

Q: When is the best time to plant Dodecatheon?

A: The best time to plant Dodecatheon is in the fall or early spring when the soil is cool and moist. Avoid planting them during the hottest part of the summer, as this can stress the plants.

Q: Are Dodecatheon plants deer resistant?

A: Yes, Dodecatheon plants are deer resistant. However, they may be attractive to rabbits and other small mammals.

Related Plants

• Primula
• Cyclamen
• Trillium
• Viola

References

• Missouri Botanical Garden. (2021). Dodecatheon. Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=k660
• North Carolina State University. (n.d.). Dodecatheon. North Carolina Extension Gardener Plant Toolbox. https://plants.ces.ncsu.edu/plants/dodecatheon/
• RHS. (2021). Dodecatheon. Royal Horticultural Society. https://www.rhs.org.uk/Plants/9599/Dodecatheon/Details