Polemonium Acutiflorum

1. Description

Polemonium Acutiflorum, commonly known as Jacob’s Ladder, is a beautiful herbaceous perennial plant that belongs to the Polemoniaceae family. It is native to the mountainous regions of western North America, including Alaska, British Columbia, and California.

The plant grows up to 60 cm in height and has a spread of 30 cm. It has fern-like foliage with pinnately compound leaves that are arranged in opposite pairs. The flowers of Polemonium Acutiflorum are bell-shaped and lavender-blue in color. They bloom in late spring to early summer and attract bees and butterflies.

2. Taxonomic Information

3. Appearance

Polemonium Acutiflorum is a beautiful plant with fern-like foliage and lavender-blue bell-shaped flowers. The plant grows up to 60 cm in height and has a spread of 30 cm. The leaves are pinnately compound and arranged in opposite pairs. They have a bluish-green color and are about 20 cm long. The flowers of Polemonium Acutiflorum bloom in late spring to early summer and are about 1 cm in diameter. They form clusters at the top of the stems and attract bees and butterflies.

4. Care Guide

Polemonium Acutiflorum is an easy-to-care-for plant that requires moderate attention. Here are some care tips:

• Water: Water the plant regularly, especially during hot and dry weather. Keep the soil moist but not waterlogged.
• Fertilization: Fertilize the plant once a month during the growing season with a balanced fertilizer.
• Soil: Plant Polemonium Acutiflorum in well-draining soil that is rich in organic matter.
• Sunlight: The plant prefers partial shade or filtered sunlight, but it can also grow in full sun.
• Hardiness Zones: Polemonium Acutiflorum grows in hardiness zones 3 to 7.

5. Common Pests & Diseases

Polemonium Acutiflorum is generally resistant to pests and diseases, but it can be susceptible to powdery mildew and rust. Here are some common pests and diseases that can affect the plant:

• Powdery Mildew: A fungal disease that appears as a white powdery coating on the leaves. It can be treated with a fungicide.
• Rust: A fungal disease that appears as orange or yellow spots on the leaves. It can be treated with a fungicide.

6. Habitat

Polemonium Acutiflorum is native to the mountainous regions of western North America, including Alaska, British Columbia, and California. It grows in open woods, meadows, and rocky slopes. The plant prefers moist, well-draining soil and partial shade or filtered sunlight.

7. Question and Answer

Here are some frequently asked questions about Polemonium Acutiflorum:

• Q: Is Polemonium Acutiflorum a perennial or an annual plant?

A: Polemonium Acutiflorum is a perennial plant, which means it comes back year after year.

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• Q: How tall does Polemonium Acutiflorum grow?

A: Polemonium Acutiflorum can grow up to 60 cm in height.

• Q: How often should I water Polemonium Acutiflorum?

A: Water Polemonium Acutiflorum regularly, especially during hot and dry weather. Keep the soil moist but not waterlogged.

• Q: What is the hardiness zone for Polemonium Acutiflorum?

A: Polemonium Acutiflorum grows in hardiness zones 3 to 7.

8. Related Plants

Here are some related plants to Polemonium Acutiflorum:

• Polemonium reptans
• Polemonium caeruleum
• Polemonium boreale
• Polemonium occidentale

9. References

Here are some references for further reading:

• “Polemonium acutiflorum.” Plant Information Online. University of Minnesota Libraries, 2021. Web. 10 May 2021.
• “Jacob’s Ladder.” Missouri Botanical Garden. Missouri Botanical Garden, 2021. Web. 10 May 2021.
• “Polemonium acutiflorum.” Royal Horticultural Society. Royal Horticultural Society, 2021. Web. 10 May 2021.