Rhododendron Calostrotum Gigha

Description

Rhododendron Calostrotum Gigha, also known as the Gigha azalea or the Gigha rhododendron, is a species of flowering plant in the Ericaceae family. It is a compact, evergreen shrub that typically grows up to 2 meters in height. This plant is native to the Isle of Gigha, a small island off the west coast of Scotland.

Taxonomic Information

Appearance

Rhododendron Calostrotum Gigha is a compact, evergreen shrub with glossy, dark green leaves. The leaves are elliptical in shape and measure 5-10 cm in length. The plant produces clusters of funnel-shaped, bright pink flowers in late spring to early summer. Each flower measures around 5 cm in diameter and has five petals.

Care Guide

To care for Rhododendron Calostrotum Gigha, follow these tips:

Water

This plant prefers moist soil, so it is important to water it regularly, especially during dry spells. However, be careful not to overwater it, as this can lead to root rot.

Fertilization

Rhododendron Calostrotum Gigha benefits from regular fertilization. Use a slow-release, acidic fertilizer in the spring and again in the fall.

Soil

This plant prefers acidic, well-draining soil. If your soil is not naturally acidic, you can add peat moss or other acidic materials to the soil.

Sunlight

Rhododendron Calostrotum Gigha prefers partial shade to full shade. Avoid planting it in direct sunlight, as this can cause the leaves to wilt and scorch.

Hardiness Zones

This plant is hardy in USDA zones 7-9.

Common Pests & Diseases

Rhododendron Calostrotum Gigha is susceptible to a few pests and diseases. These include:

Aphids

These small insects feed on the sap of the plant and can cause stunted growth and yellowing leaves. Use insecticidal soap or neem oil to control them.

Lace Bugs

These pests feed on the underside of the leaves and can cause yellowing and wilting. Use insecticidal soap or neem oil to control them.

Phytophthora Root Rot

This fungal disease can cause the roots to rot, leading to wilting and death of the plant. Avoid overwatering and improve drainage to prevent this disease.

Habitat

Rhododendron Calostrotum Gigha is native to the Isle of Gigha, a small island off the west coast of Scotland. It grows in moist, shady areas, such as woodlands and along streams.

Question and Answer

Q: Can Rhododendron Calostrotum Gigha be grown in containers?

A: Yes, this plant can be grown in containers as long as the potting soil is acidic and well-draining.

Q: How often should I fertilize Rhododendron Calostrotum Gigha?

A: This plant benefits from fertilization in the spring and fall, using a slow-release, acidic fertilizer.

Q: Is Rhododendron Calostrotum Gigha deer-resistant?

A: This plant is not known to be deer-resistant.

Q: How often should I water Rhododendron Calostrotum Gigha?

A: This plant prefers moist soil, so water it regularly, especially during dry spells. However, be careful not to overwater it, as this can lead to root rot.

Related Plants

Other species of Rhododendron include:

• Rhododendron maximum
• Rhododendron ponticum
• Rhododendron yakushimanum
• Rhododendron luteum

References

• “Rhododendron Calostrotum Gigha.” Royal Horticultural Society. https://www.rhs.org.uk/Plants/202608/Rhododendron-Calostrotum-Gigha/Details
• “Rhododendron Calostrotum Gigha.” The Plant List. http://www.theplantlist.org/tpl1.1/record/kew-2410444
• “Rhododendron Calostrotum Gigha.” Missouri Botanical Garden. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l710