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Description
Lactuca Perennis, commonly known as “perennial lettuce,” is a hardy, herbaceous perennial plant that belongs to the Asteraceae family. It is native to Europe and Asia but has been naturalized in North America.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Lactuca |
Appearance
Lactuca Perennis has a rosette of large, dark green leaves that can grow up to 30 cm in length. The leaves are deeply lobed and toothed, with a slightly hairy surface. The plant can reach a height of 60 cm and produces a tall, branching stem with yellow, daisy-like flowers in late summer.
Care Guide
Water: Lactuca Perennis prefers evenly moist soil, so water it regularly during dry spells. Avoid overwatering, as this can lead to root rot.
Fertilization: Apply a balanced fertilizer in the spring and midsummer to promote healthy growth and flowering.
Soil: Lactuca Perennis prefers well-draining soil with a pH between 6.0 and 7.0. Amend heavy clay soils with organic matter to improve drainage.
Sunlight: Plant Lactuca Perennis in full sun to partial shade. It can tolerate some shade, but too much shade can result in leggy growth.
Hardiness Zones: Lactuca Perennis is hardy in USDA zones 4 to 9.
Common Pests & Diseases
Lactuca Perennis is generally resistant to pests and diseases. However, aphids and slugs can occasionally be a problem. To control aphids, spray the plant with a solution of water and dish soap. To control slugs, set out slug traps or sprinkle diatomaceous earth around the base of the plant.
Habitat
Lactuca Perennis grows in a variety of habitats, including meadows, fields, and open woodlands. It prefers moist soil and can tolerate some shade. It is often found growing near streams or in other areas with high humidity.
Question and Answer
Q: Is Lactuca Perennis edible?
A: While Lactuca Perennis is related to lettuce, it is not commonly eaten. The leaves are tough and bitter, and the plant contains toxic compounds that can cause digestive issues.
Q: Can Lactuca Perennis be grown in containers?
A: Yes, Lactuca Perennis can be grown in containers as long as the container is large enough to accommodate the plant’s root system. Use a well-draining potting mix and water regularly.
Q: Does Lactuca Perennis attract pollinators?
A: Yes, Lactuca Perennis is a good source of nectar for bees and butterflies.
Q: How often should Lactuca Perennis be fertilized?
A: Fertilize Lactuca Perennis twice a year, once in the spring and again in midsummer, using a balanced fertilizer.
Related Plants
- Lactuca sativa (Lettuce)
- Lactuca serriola (Prickly Lettuce)
- Lactuca virosa (Wild Lettuce)
References
- “Lactuca perennis.” Missouri Botanical Garden. Retrieved from http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=f590.
- “Lactuca perennis.” Plants for a Future. Retrieved from https://pfaf.org/user/Plant.aspx?LatinName=Lactuca+perennis.
- “Perennial Lettuce (Lactuca perennis).” Field Guide to the Rare Plants of Georgia. Retrieved from https://www.gpb.org/rareplants/lactuca_perennis.
