Geigeria

Description

Geigeria is a genus of flowering plants in the Asteraceae family, native to Africa. The genus comprises about 40 species of annuals, perennials and shrubs, some of which are used for medicinal purposes. The plants produce showy flowers with yellow or orange ray florets and brownish or black disc florets.

Taxonomic Information

Appearance

Geigeria plants can range in height from 15 cm to 2 m, depending on the species. They have simple or pinnately divided leaves that are usually hairy. The flowers are arranged in corymbose or paniculate heads and have up to 30 ray florets. The fruit is an achene with a pappus of bristles.

Care Guide

Geigeria plants are easy to care for and can be grown both indoors and outdoors. Here are some tips for growing healthy Geigeria plants:

Water

Geigeria plants prefer moist but well-draining soil. Water them regularly, but avoid overwatering as this can cause root rot.

Fertilization

Feed your Geigeria plant with a balanced fertilizer during the growing season (spring to fall) to promote healthy growth and flowering.

Soil

Geigeria plants prefer well-draining soil that is rich in organic matter. Use a good quality potting mix if you’re growing them in containers.

Sunlight

Geigeria plants prefer full sun to partial shade. If you’re growing them indoors, place them in a bright spot near a window.

Hardiness Zones

Geigeria plants are hardy in USDA zones 8-11.

Common Pests and Diseases

Geigeria plants are relatively pest and disease resistant, but they can be affected by spider mites and aphids. To control these pests, spray the plants with insecticidal soap or neem oil. Geigeria plants can also be affected by fungal diseases such as powdery mildew and leaf spot. To prevent these diseases, avoid overwatering and provide good air circulation around the plants.

Habitat

Geigeria plants are native to Africa and can be found in a variety of habitats, including grasslands, savannas and woodlands. They prefer well-drained soils and are often found growing in rocky or sandy areas.

Question and Answer

Here are some frequently asked questions about Geigeria plants:

Q: Can Geigeria plants be grown indoors?

A: Yes, Geigeria plants can be grown indoors as long as they receive plenty of sunlight.

Q: Are Geigeria plants toxic?

A: There is no evidence to suggest that Geigeria plants are toxic to humans or animals.

Q: Can Geigeria plants be propagated from cuttings?

A: Yes, Geigeria plants can be propagated from stem cuttings taken in the spring or summer.

Q: How often should I fertilize my Geigeria plant?

A: Feed your Geigeria plant with a balanced fertilizer every 4-6 weeks during the growing season.

Related Plants

Other plants in the Asteraceae family that are related to Geigeria include:

• Ageratum
• Aster
• Chrysanthemum
• Dahlia
• Echinacea
• Helianthus
• Solidago
• Zinnia

References

• “Geigeria.” Flora of Zimbabwe. Accessed 29 Aug. 2021. <http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=383>.
• “Geigeria.” PlantZAfrica. Accessed 29 Aug. 2021. <http://pza.sanbi.org/geigeria>.
• “Geigeria.” The Plant List. Accessed 29 Aug. 2021. <http://www.theplantlist.org/browse/A/Compositae/Geigeria/>.