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Diplacus Congdonii

Diplacus Congdonii

Diplacus Congdonii, commonly known as Congdon’s monkeyflower, is a flowering plant species that belongs to the Phrymaceae family. It is native to California and can be found in the San Gabriel Mountains and the Transverse Ranges. The plant was first discovered in 1953 by Joseph P. Tracy and named after Edwin B. Congdon, a renowned botanist.

Taxonomic Information

Domain Eukaryota
Kingdom Plantae
Phylum Spermatophyta
Class Magnoliopsida
Order Lamiales
Family Phrymaceae
Genus Diplacus

Appearance

Diplacus Congdonii can grow up to 2 feet in height and 1.5 feet in width. It has dark green, waxy leaves that are up to 3 inches long and 1 inch wide. The plant produces trumpet-shaped flowers that are about 2 inches long and come in different shades of yellow and orange. The petals may have reddish-brown spots at the base. The flowers bloom from late spring to early summer and attract hummingbirds and butterflies.

Care Guide

Diplacus Congdonii requires well-draining soil and full sun exposure. It is drought-tolerant and can survive in various soil types, including sandy and rocky soils. The plant needs regular watering during its growing season, but it should not be over-watered as it can lead to root rot. Fertilization can be done once a month during the growing season using a balanced fertilizer. The plant is hardy in USDA zones 8 to 10.

Common Pests & Diseases

The most common pests that affect Diplacus Congdonii are aphids, spider mites, and thrips. These pests can be controlled using insecticidal soap or neem oil. Diplacus Congdonii is also susceptible to powdery mildew, which is a fungal disease that causes a white, powdery coating on the leaves. It can be prevented by ensuring proper air circulation and avoiding over-watering.

Habitat

Diplacus Congdonii is native to California and can be found in the San Gabriel Mountains and the Transverse Ranges. The plant grows in chaparral, coastal sage scrub, and oak woodland habitats. It is also commonly cultivated in gardens and landscapes as an ornamental plant.

Question and Answer

Q: Can Diplacus Congdonii grow in shade?

A: No, Diplacus Congdonii requires full sun exposure.

Q: How often should I water my Diplacus Congdonii plant?

A: Diplacus Congdonii should be watered regularly during its growing season, but it should not be over-watered.

Q: What is the best soil type for Diplacus Congdonii?

A: Diplacus Congdonii can survive in various soil types, including sandy and rocky soils, as long as they are well-draining.

Q: What is the blooming season for Diplacus Congdonii?

A: Diplacus Congdonii blooms from late spring to early summer.

Related Plants

  • Diplacus aurantiacus
  • Diplacus bigelovii
  • Diplacus longiflorus
  • Diplacus puniceus
  • Diplacus rutilus

References

  • https://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=2743
  • https://www.fs.fed.us/database/feis/plants/shrub/dipcon/all.html
  • https://calscape.org/Diplacus-congdonii-()-Edwin-B.-Congdon’s-Monkeyflower?srchcr=sc60c3b1871983b

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