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Description
Ipomopsis Thurberi, commonly known as Scarlet Gilia, is a native flowering plant in North America. This herbaceous perennial belongs to the family Polemoniaceae and is known for its striking red flowers that bloom in late spring and early summer. Scarlet Gilia is a favorite among gardeners and is often used in xeriscaping, rock gardens, and wildflower meadows.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Polemoniaceae |
| Genus | Ipomopsis |
Appearance
Scarlet Gilia typically grows up to 60 cm tall and has a slender stem with narrow, lance-shaped leaves that are about 10 cm long. Its flowers are trumpet-shaped and bloom in dense clusters at the top of the stem. Each flower is about 2 cm long and has five vivid red petals with a white throat. Scarlet Gilia produces a taproot and may need staking if grown in windy areas.
Care Guide
Scarlet Gilia is a low-maintenance plant that thrives in well-draining soil and full sun. Here are some tips for caring for your Scarlet Gilia:
- Water: Water regularly, but avoid overwatering as this may cause root rot.
- Fertilization: Scarlet Gilia does not require fertilization, but you can apply a balanced fertilizer in the spring if desired.
- Soil: Plant Scarlet Gilia in well-draining soil that is slightly acidic to neutral. Amend heavy clay soils with sand or gravel to improve drainage.
- Sunlight: Scarlet Gilia thrives in full sun, but can tolerate partial shade in hot climates.
- Hardiness Zones: Scarlet Gilia is hardy in zones 5-9.
Common Pests & Diseases
Scarlet Gilia is generally free from pests and diseases, but here are some issues to watch out for:
- Aphids: These small, sap-sucking insects can cause distorted growth and yellowing leaves. Use insecticidal soap or neem oil to treat infestations.
- Spider Mites: These tiny pests can cause yellowing leaves and webbing. Use insecticidal soap or neem oil to treat infestations.
- Crown Rot: Overwatering or poorly-drained soil can cause the roots to rot, leading to wilting and death of the plant. Improve drainage and avoid overwatering to prevent this issue.
Habitat
Scarlet Gilia is native to the western United States, where it grows in dry, rocky soils in open areas such as prairies, meadows, and foothills. It is often found growing alongside other wildflowers such as Lupinus, Penstemon, and Echinacea.
Question and Answer
Q: Can Scarlet Gilia tolerate drought conditions?
A: Yes, Scarlet Gilia is drought-tolerant once established, but it will perform best with regular watering.
Q: Can Scarlet Gilia be grown in containers?
A: Yes, Scarlet Gilia can be grown in containers as long as the soil is well-draining and the plant receives plenty of sunlight.
Q: How long does it take for Scarlet Gilia to bloom?
A: Scarlet Gilia typically blooms in late spring to early summer, about 1-2 years after planting.
Q: Is Scarlet Gilia deer-resistant?
A: Yes, Scarlet Gilia is generally deer-resistant due to its bitter taste.
Related Plants
- Ipomopsis aggregata (Scarlet Trumpet)
- Ipomopsis rubra (Standing Cypress)
- Ipomopsis tenuifolia (Slender-leaved Ipomopsis)
References
- https://www.wildflower.org/plants/result.php?id_plant=IPTH
- https://www.gardeningknowhow.com/ornamental/flowers/gilia-plant/growing-gilia.htm
- https://www.highcountrygardens.com/perennial-plants/ipomopsis/ipomopsis-thurberi-scarlet-gilia
