Iochroma cyanea ‘Mr. Plum’

Iochroma cyanea ‘Mr. Plum’: The Violet Tubeflower

Iochroma cyanea ‘Mr. Plum’, also known as the Mini Angel Trumpet or Violet Tubeflower, is a dazzling plant that produces clusters of intensely purple, tube-shaped blooms throughout summer and early autumn. This standout perennial belongs to the Solanaceae family, which includes well-known species such as tomatoes, potatoes, and bell peppers. ‘Mr. Plum’ is an eye-catching addition to any garden, attracting hummingbirds and adding a splash of color to your landscape.

Background and Origin

The species name Iochroma cyanea was first published in 1926. Native to the Andean regions of South America, particularly Peru, Ecuador, and Colombia, Iochroma has adapted to various climates and can be found in temperate regions worldwide. The cultivar ‘Mr. Plum’ is particularly admired for its vibrant purple flowers and its adaptability to different growing conditions.

Plant Family

Family: Solanaceae
Genus: Iochroma
Species: Iochroma cyanea
Cultivar: ‘Mr. Plum’

The Solanaceae family, also known as the nightshade family, includes a diverse range of plants, many of which are significant in both agriculture and horticulture. Iochroma species are known for their ornamental value and their ability to attract pollinators such as hummingbirds.

Description

Iochroma cyanea ‘Mr. Plum’ is a fast-growing, broadleaf deciduous shrub or small tree. It is valued for its lush green foliage and vibrant purple flowers, making it a standout in any garden.

• Leaves: The foliage is deciduous, with green leaves that provide a lush backdrop for the flowers. The leaves are broad and have a slightly leathery texture.
• Flowers: The flowers are tubular, deep purple, and appear in clusters during the summer months. These blooms are highly attractive to hummingbirds, which are drawn to their rich color and nectar.
• Size: ‘Mr. Plum’ can reach a height of 6 to 10 feet and a width of 4 to 7 feet, making it a substantial addition to any landscape. Iochroma cyanea ‘Mr. Plum’ is not typically classified as a tree. It is a fast-growing, broadleaf deciduous shrub or perennial. While it can grow to a substantial size, reaching heights of 6 to 10 feet and a width of 4 to 7 feet, it maintains more of a shrub-like growth habit. Its multi-stemmed, bushy nature makes it well-suited for use as an ornamental shrub in gardens rather than as a tree.

Growing Conditions for Iochroma cyanea ‘Mr. Plum’:

Iochroma cyanea ‘Mr. Plum’ thrives in USDA zones 9b to 11. It prefers a location with mostly sun to dappled shade, making it adaptable to various light conditions.

• Sun Exposure: Mostly sun to dappled shade. In hotter climates, some afternoon shade can prevent leaf scorch and prolong blooming.
• Soil: Well-drained soil is essential. It can adapt to various soil types, including average and clay soils. The soil should ideally be slightly acidic to neutral.
• Watering: Regular watering is needed, especially during dry periods. However, the plant is relatively drought-tolerant once established and can survive occasional watering.

Care Instructions

Caring for Iochroma cyanea ‘Mr. Plum’ is straightforward, making it a suitable choice for both novice and experienced gardeners.

• Watering: Water regularly, especially during dry spells. Avoid overwatering, as this can lead to root rot.
• Fertilizing: Apply a balanced fertilizer with an NPK ratio below 15-15-15 monthly during the growing season. Container-grown plants benefit from a water-soluble fertilizer applied according to label directions.
• Pruning: Prune after blooming to maintain shape and encourage bushy growth. Light pruning can be done as needed to control size.
• Mulching: Apply a layer of mulch around the base of the plant to keep the roots cool and retain soil moisture.

Propagation

Iochroma cyanea ‘Mr. Plum’ can be propagated by cuttings or seeds.

• Cuttings: Take cuttings from an established plant and root them in a well-drained potting mix. Keep the cuttings in a warm, shaded area until they root.
• Seeds: Plant seeds in small pots filled with well-drained potting mix. Place the pots in a warm room with filtered sunlight. Seeds typically germinate in about six weeks. Allow the seedlings to mature before transplanting them to their permanent location in the garden.

Landscape Uses

Iochroma cyanea ‘Mr. Plum’ is versatile and can be used in various landscape settings.

• Specimen Plant: Its vibrant flowers make it an excellent focal point in any garden.
• Borders and Hedges: It can be used to create colorful borders or informal hedges.
• Container Gardening: ‘Mr. Plum’ performs well in containers, allowing it to be moved indoors in cooler climates.

Conclusion

Iochroma cyanea ‘Mr. Plum’ is a remarkable ornamental plant that offers both beauty and functionality. Its vibrant purple flowers, ease of care, and adaptability make it a valuable addition to any garden. Whether used as a specimen plant, in borders, or in containers, ‘Mr. Plum’ is sure to attract attention and delight gardeners with its stunning blooms and robust growth.