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Description
Linaria Supina, also known as trailing toadflax, is a low-growing perennial that belongs to the family Plantaginaceae. This plant is native to western Europe but can now be found in various parts of the world. It produces small, delicate flowers in shades of blue, purple, and pink that bloom from late spring to early summer. The plant’s foliage is narrow and elongated, with a grey-green color that makes it a great addition to rock gardens, borders, and hanging baskets.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Linaria |
Appearance
Linaria Supina has a trailing growth habit, with stems that can reach up to 60 cm in length. The plant’s foliage is narrow and elongated, with a grey-green color. The flowers are small and delicate, measuring around 1 cm in length. They come in shades of blue, purple, and pink, and bloom from late spring to early summer. The blooms have a tubular shape and are arranged in a spike-like pattern along the stem.
Care Guide
Water: Linaria Supina prefers well-draining soil and regular watering. It is important to avoid overwatering to prevent root rot.
Fertilization: This plant does not require heavy fertilization. A light application of a balanced fertilizer in the spring can help encourage growth and blooming.
Soil: Linaria Supina thrives in well-draining soil that is rich in organic matter. It can tolerate a range of soil types, including sandy and clay soils.
Sunlight: This plant prefers full sun to partial shade. It can tolerate some shade, but blooming may be reduced.
Hardiness Zones: Linaria Supina can grow in hardiness zones 6-9.
Common Pests & Diseases
Linaria Supina is relatively pest and disease resistant. However, it can be susceptible to aphids and spider mites. Regular monitoring and early intervention can help prevent infestations. Overwatering can lead to root rot, while poor air circulation can cause fungal diseases such as powdery mildew.
Habitat
Linaria Supina is native to western Europe, but it can now be found in various parts of the world, including North America and Australia. It grows in a range of habitats, including meadows, rocky slopes, and disturbed areas. It is often found growing alongside other wildflowers and grasses.
Question and Answer
Q: Is Linaria Supina a good plant for rock gardens?
A: Yes, Linaria Supina is a great choice for rock gardens due to its trailing growth habit and delicate flowers.
Q: Can Linaria Supina tolerate drought?
A: While this plant prefers regular watering, it can tolerate some drought once established.
Q: How often should I fertilize Linaria Supina?
A: A light application of a balanced fertilizer in the spring should be sufficient to encourage growth and blooming.
Q: Can Linaria Supina be grown in containers?
A: Yes, Linaria Supina can be grown in containers, hanging baskets, and window boxes.
Related Plants
- Linaria Vulgaris
- Linaria Bipartita
- Linaria Dalmatica
- Linaria Maroccana
References
- https://www.gardeningknowhow.com/ornamental/flowers/toadflax/growing-trailing-toadflax.htm
- https://www.thespruce.com/trailing-toadflax-plant-profile-4843940
- https://www.gardenia.net/plant/linaria-supina-trailing-toadflax
- https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c815
