New Guinea Impatiens – Definition & Detailed Explanation – Flower Glossary

I. What are New Guinea Impatiens?

New Guinea Impatiens, also known as Impatiens hawkeri, are a popular flowering plant that belongs to the Balsaminaceae family. They are native to New Guinea and some parts of the Solomon Islands. These plants are known for their vibrant and colorful flowers, which come in a wide range of shades including pink, orange, red, purple, and white. New Guinea Impatiens are commonly grown as annuals in gardens and containers, and they are prized for their long-lasting blooms and ability to thrive in partial shade.

II. What are the characteristics of New Guinea Impatiens?

New Guinea Impatiens are characterized by their glossy, dark green leaves and large, showy flowers. The flowers can be single or double-petaled and have a waxy texture that makes them stand out in the garden. These plants typically grow to a height of 12-24 inches and have a spread of 12-18 inches. They prefer well-draining soil and partial shade, although they can tolerate some sun if they are kept well-watered.

III. How to care for New Guinea Impatiens?

To care for New Guinea Impatiens, it is important to provide them with the right growing conditions. These plants prefer moist, well-draining soil that is rich in organic matter. They should be watered regularly, especially during hot weather, but care should be taken not to overwater them as this can lead to root rot. New Guinea Impatiens also benefit from regular feeding with a balanced fertilizer to promote healthy growth and abundant blooms.

IV. What are the different varieties of New Guinea Impatiens?

There are many different varieties of New Guinea Impatiens available, each with its own unique characteristics. Some popular varieties include ‘Infinity’, which has large, double flowers in a wide range of colors, ‘Sunpatiens’, which are known for their tolerance to sun and heat, and ‘Celebration’, which has variegated foliage and bright flowers. Gardeners can choose from a variety of colors and flower forms to suit their preferences and garden design.

V. What are the common pests and diseases affecting New Guinea Impatiens?

New Guinea Impatiens are relatively resistant to pests and diseases, but they can still be affected by a few common problems. Aphids, spider mites, and thrips are the most common pests that may attack these plants, causing damage to the leaves and flowers. To prevent infestations, it is important to inspect the plants regularly and treat any pests promptly. New Guinea Impatiens are also susceptible to fungal diseases such as powdery mildew and botrytis, which can be controlled by improving air circulation and avoiding overhead watering.

VI. How to propagate New Guinea Impatiens?

New Guinea Impatiens can be easily propagated from cuttings, making it easy to create new plants from existing ones. To propagate these plants, take a 3-4 inch cutting from a healthy stem and remove the lower leaves. Dip the cut end in rooting hormone and plant it in a small pot filled with moist potting mix. Place the pot in a warm, bright location and keep the soil consistently moist until roots develop. Once the cutting has rooted, it can be transplanted into a larger container or garden bed to grow into a new plant. Propagating New Guinea Impatiens is a great way to expand your collection of these beautiful and colorful flowers.