Dwarf Azaleas Grow Guide: How to Grow Dwarf Azaleas
Written by MasterClass
Last updated: Dec 8, 2021 • 4 min read
Dwarf azaleas are shorter varieties of the mounding, flowering shrub that blooms in many vibrant flower colors. Follow this guide to growing dwarf azaleas if you want to add a little color and character to your home garden.
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What Are Dwarf Azaleas?
Dwarf azaleas are a low-maintenance subspecies of traditional azaleas (part of the Rhododendron family). This subspecies is shorter than traditional azaleas, reaching heights of around three feet, making them perfect for small gardens. There are evergreen azaleas (which maintain their foliage year-round) and deciduous azaleas (which lose their foliage during the winter). Dwarf azaleas have large, showy flowers that bloom in many colors around the early spring or early summer. This shrub has waxy dark-green leaves and woody stems that are easy to prune.
They require acidic soil and grow well in a range of climate conditions seen in USDA Hardiness Zones 3–9.
5 Dwarf Azalea Varieties
Here are some of the most popular dwarf azalea varieties to add color to your garden:
- 1. ‘Autumn Angel’: These flowering shrubs feature stunning white blooms that glow to life in the morning light. ‘Autumn Angel’ has light green leaves and flowers from spring to fall.
- 2. ‘Autumn Cheer’: This cultivar blooms light pink blossoms from spring to fall and attracts butterflies and hummingbirds to your garden.
- 3. ‘Autumn Fire’: These dwarf azalea shrubs have fiery red flowers with semi-doubled petals. Its deep green foliage turns purple during the winter.
- 4. ‘Autumn Lilac’: This cold-hardy cultivar blooms with lavender flowers flecked with darker purple spots. They grow to a mature height of feet tall with a three-and-a-half-foot-wide spread.
- 5. ‘Gumpo White’: This cultivar blooms to a height of two feet tall. It has bright white flowers speckled with red spots, giving your garden additional color interest.
How Tall Do Dwarf Azaleas Grow?
Most dwarf azaleas grow to a maximum height of three feet tall, with a spread of three-and-a-half feet, though some varieties remain as short as two feet tall. You can maintain the small size of your dwarf azaleas by pruning them regularly.
When to Plant Dwarf Azaleas
Plant dwarf azaleas in late spring or early fall. Planting in fall will give your newly-planted specimens time to establish strong roots before the next year's spring blooms. Cover your plant's soil with mulch to retain moisture in the soil during summer and to protect your roots from frost in winter, whether you plant your flowers in the spring or fall.
How to Grow Dwarf Azaleas
Follow these steps to plant an established azalea shrub in your garden, whether you're planting in pots or directly into your garden's soil.
- 1. Choose a location. Dwarf azaleas need good early morning sun and afternoon shade. Choose a spot in your garden that gets full sun for part of the day and partial shade in the afternoon.
- 2. Prepare the soil. You can plant dwarf azaleas in small containers or directly into your garden bed. Enrich the soil in your chosen grow space with potting mix, peat moss, and organic matter compost. Azaleas like acidic soil, so use a fertilizer that adjusts the soil pH level to their preference.
- 3. Plant the root ball. Dig a hole in your prepared soil just bigger than your plant's root ball. Place the roots in the hole and backfill the hole with soil. Gently press down on the soil-covered roots to hold the plant upright.
- 4. Water the shrub. Water the soil around your plant immediately after planting. Continue to water the area regularly to keep the soil moist.
How to Care for Dwarf Azaleas
Dwarf azaleas are excellent ornamental shrubs because their flowers cover the entire shrub during bloom time. Grow your azalea plant in a spot where its vibrant colors will stand out on their own, such as in containers on patios or porches, as garden borders, or beneath trees. Here are some additional care tips to keep your dwarf azaleas healthy and blooming:
- Monitor the soil. Dwarf azaleas need well-draining soil that doesn’t retain too much moisture. Make sure to plant it in a pot with drainage holes if you’re planting it outside your garden. Check regularly that the water is draining through the holes. Add compost or coarse sand to the soil to help it drain better and prevent soil compaction, which reduces pore space between soil particles and prevents air and water from flowing optimally.
- Fertilize as needed: Dwarf azaleas are acid-loving plants, and feeding your dwarf azaleas can help improve their soil. Any acidic fertilizer fit for Rhododendrons will work for dwarf azaleas.
- Prune occasionally: Dwarf azaleas are compact growers, but they can benefit from pruning. Prune away dead or extraneous branches after the last flowers have wilted and before new flower buds appear to prepare for reblooming. Pruning will also encourage new growth for dwarf azaleas that bloom multiple times in one growing season.
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