A rain garden is a beautiful way to handle stormwater runoff and add color to your garden ecosystem. While choosing plants for the rain garden, you consider varieties that bear both the wet and dry conditions. Plants that thrive in full sun are especially useful, for they will utilize the sun for bloom and provide quite a view. Here is a helpful guide about some of the best full sun plants for a rain garden.
Why Build a Rain Garden?
Several advantages come associated with having a rain garden, which includes but is not limited to the following:
- Stormwater Management: They reduce runoff and enhance the quality of water by filtering out pollutants in the rainfall.
- Habitat Creation: An ecosystem for birds, insects, other wildlife, or other forms of biodiversity is provided.
- Aesthetic Appeal: When planted correctly, rain gardens can add natural beauty to any landscape.
- Groundwater Recharge: They allow rainwater to infiltrate into the ground; hence, they help recharge the groundwater supplies that are near a particular location.
Choosing Full Sun Rain Garden Plants
In choosing plants that require full sun, consider the following in choosing the plants for a rain garden:
- Wet and Dry Tolerance: Plants will have to tolerate wet and dry spells of heavy rain followed by drier times.
- Native Plants: They have adapted better to local conditions and offer the right habitat for local wildlife.
- Roots: Deep-rooted plants can thus hold the soil in place but also provide water infiltration.
Top Full Sun Plants for Rain Gardens
1. Black-Eyed Susan – Rudbeckia hirta
Description: Black-Eyed Susan is a rhizomatous perennial with bright yellow petals and a brown center that reaches up to 3 feet in height, blooming from summer into fall.
Benefits: Low maintenance (drought-tolerant), attracts pollinators like bees and butterflies.
Care: Well-drained soil; water regularly until it establishes.
2. Swamp Milkweed (Asclepias incarnata)
Description: Swamp Milkweed is a fragrant pink clustered flower that grows to be about 5 feet tall. A true monarch magnet.
Benefits: Easy to naturalize in wet conditions, food for native pollinators.
Care: The plant requires moist soil though it can also be in dry conditions sometimes. Thrives in full sun.
3. Coneflower
Description: Coneflowers produce large daisy-like flowers with purple petals and a central column of itsy-bitsy florets. It can reach 4 feet in height
Advantages: Deer tolerant, drought-tolerant usually attracts birds and butterflies
Care: Like well-drained soil and water in case there is a drought.
4. Blue Flag Iris (Iris versicolor)
Description: This perennial has blue-violet flowers and is topped with leaves that are almost shaped like an elongated sword. It reaches to about 3 feet in height and blooms late in the spring.
Pros: Prefers mesic soils but will tolerate some flooding.
Care: Prefers moist soil but will tolerate dry periods once established.
5. Switchgrass — Panicum virgatum
Description: Switchgrass is a native American ornamental grass, with its airy pinkish panicle-flowered 3-6-foot flowering.
Benefits: Year-round interest, drought, erosion
Care: Plant in well-drained to moist soil in full sun for best growth.
6. New England Aster (Symphyotrichum novae-angliae)
Description: The New England Aster flowers are bright purple or pink with yellow centers. Late summer into fall is the period of blooming. It grows up to 6 feet tall.
Benefits: Butterfly nectar plant; late-season color.
Care: Will do best in moist well-drained soil but will tolerate some drought once established.
7. Joe-Pye Weed (Eutrochium purpureum)
Description: Joe-Pye Weed has tall stout stems covered at the top by clusters of pinkish purple flowers, reaching to 7 feet in height.
Advantages: This plant will attract butterflies and bees; it also adds vertical interest into the garden.
Care: Tolerates dry, prefers moist. Full sun produces optimal flowering.
8. Cardinal Flower (Lobelia cardinalis)
Description: Cardinal Flower is a late season bloomer with brilliant red flowers. Will grow to be about 4′ tall.
Benefits: Attracts hummingbirds and butterflies. Will tolerate wet conditions.
Care: Prefers consistently moist soil and full sun.
How to Design a Full Sun Rain Garden
Following these steps will help ensure success for designing your very own rain garden design:.
Site Selection:
Full sun-a minimum of 6 hours of direct sunlight per day. Naturally low lying or water drains out from area.
Soil Preparation:
Organic matter may be added to improve the drainage characteristics and raise the WHC of the soil. The soil should be well draining but capable of sustaining a moderate amount of moisture during wet periods.
Plant Grouping:
This is a group of plants based on the amount of water they require. The middle is dedicated to loving moisturized plants, while at the edges are the drought-resistant ones.
Mulching:
Mulch to prevent the loss of water, reduce weed growing, and above all, improve the health of your soil. Add mulch in natural materials like shredded bark or composted leaves.
Watering:
Water well until established; it should require very little watering except in dry, long periods.
Maintenance:
Weeds are removed regularly; deadheading spent flowers encourages new blooms; and as needed, perennials are divided to keep them vigorous.
Benefits of Native Plants
There are many benefits to using native plants in your rain garden. For instance:
- Adaptation They are adapted to the local soil conditions and climate.
- It also creates crucial habitat and food sources for local wildlife, such as pollinators and birds.
- Low Maintenance: When established, native plants are maintenance-free because they naturalize into the surrounding environment.
Conclusion
A rain garden planted with native plants in full sun can be very beautiful while mitigating stormwater runoff and creating habitat for local wildlife. Include a mix of very hardy perennials, grasses, and wildflowers that will give good display even through times of wet and dry periods. Be sure to consider natives, since the plants will be most adapted to your local environment and really enhance the benefit to the ecosystem. Proper plan and care would help your rain garden turn into a rich and colorful component of your outdoor space.