Top Perennials That Only Need Water Once a Month

Plant Care
By Harris Cole

Gardening enthusiasts often seek plants that require minimal upkeep while maintaining beauty throughout the seasons. Perennials that thrive with limited watering are particularly appealing. These hardy plants not only conserve water but also reduce the gardening workload. In this article, we’ll explore ten magnificent perennials that only need watering once a month, making them perfect additions to any garden. From vibrant blooms to textured foliage, these selections promise to enhance your landscape effortlessly.

Lavender

© Only Provence

Lavender’s timeless charm is unmatched. With its aromatic fragrance and delicate purple blooms, it captivates the senses.

This hardy perennial thrives in dry conditions, making it perfect for water-wise gardens. Its resilience allows it to flourish with minimal care.

Lavender’s versatility extends beyond beauty. It serves as a natural pest repellent and can be used in culinary and therapeutic applications. A symbol of tranquility and grace, lavender brings a sense of serenity to any space. Its ability to endure with just monthly watering makes it a gardener’s delight.

Sedum

© Better Homes & Gardens

Sedum, often referred to as stonecrop, is a resilient perennial known for its fleshy leaves and star-shaped blooms.

This plant’s ability to store water in its leaves makes it incredibly drought-tolerant. Sedum comes in many varieties, offering a range of colors and textures.

Its low maintenance and resistance to pests make it a favorite among gardeners. Often used in rock gardens, sedum adds a touch of elegance and structure. The plant’s unique appearance and easy-going nature make it a standout choice for minimal watering.

Russian Sage

© Simply Trees

Russian Sage is a must-have for any drought-tolerant garden, with its striking lavender-blue flowers and silvery-green foliage.

This perennial stands tall, adding vertical interest and a touch of elegance to the landscape. Its aromatic leaves also deter pests, reducing the need for chemical interventions.

Russian Sage requires little water and provides a prolonged blooming period, making it both a practical and beautiful choice. Its robust nature ensures that it thrives even in poor soil conditions, highlighting its adaptability and charm.

Yarrow

© White Flower Farm

Yarrow is celebrated for its clusters of small, vibrant flowers and feathery foliage. This perennial’s ability to thrive in dry soils makes it ideal for water-wise gardens.

Its blooms attract a variety of pollinators, including butterflies and bees, enhancing biodiversity. The plant’s medicinal properties have been valued for centuries, adding to its allure.

Yarrow’s toughness and long flowering period ensure that it remains a garden favorite. Its cheery appearance and ease of care make it a delightful addition to any landscape, requiring just a monthly watering.

Agastache

© Midwest Groundcovers

Agastache, commonly known as hummingbird mint, is cherished for its tall flower spikes and aromatic leaves.

This perennial attracts hummingbirds and butterflies, bringing life and movement to the garden. Its drought resistance and ability to thrive in poor soils make it a resilient choice.

Agastache’s vibrant blooms and minty aroma add both visual and sensory appeal. As a low-maintenance plant, it requires minimal watering and care, making it perfect for busy gardeners. Its dynamic presence in the garden is both captivating and practical.

Daylily

© Sixteen Acres Garden Center

Daylilies are renowned for their bright, trumpet-shaped flowers that come in a spectrum of colors.

These perennials are extremely resilient, tolerating drought and poor soils with ease. Daylilies bloom profusely, creating a stunning display throughout the growing season.

Their adaptability and minimal care requirements make them garden staples. Often planted in masses, they provide a splash of color and elegance. With flowers that last only a day, but new blooms appearing daily, daylilies bring continuous joy and require watering just once a month.

Coneflower

© Prairie Moon Nursery

Coneflowers, or Echinacea, are beloved for their bold, daisy-like flowers and sturdy stems.

These perennials thrive in full sun and well-drained soils, making them ideal for low-water gardens. Their long-lasting blooms attract pollinators, promoting ecological health.

Coneflowers are also known for their medicinal properties, adding an extra layer of interest. With minimal care needed, they provide vibrant color throughout the season. Their resilience and beauty make coneflowers a perfect choice for gardeners seeking reliable, drought-tolerant blooms.

Coreopsis

© The Spruce

Coreopsis, often called tickseed, offers bright, cheerful blooms that bring sunshine to any garden.

This perennial is known for its hardiness and ability to thrive in poor, dry soils. Its continuous flowering and minimal care requirements make it a top choice for busy gardeners.

Coreopsis attracts butterflies and other beneficial insects, enhancing the garden’s vibrancy. With its long blooming season and ability to withstand neglect, it remains a popular and reliable option, needing watering only once a month for optimal growth.

Catmint

© Homegrown – NC State University

Catmint is a delightful perennial known for its aromatic foliage and abundant purple-blue flowers.

Its relaxed growing habit and drought resistance make it a favorite for garden borders and pathways. Catmint’s blooms attract bees and butterflies, fostering a lively ecosystem.

This plant is easy to maintain, requiring minimal intervention and only monthly watering. Its soft, silvery leaves add texture and contrast, making it a versatile choice. For those seeking a charming and undemanding perennial, catmint offers beauty and ease in equal measure.

Blanket Flower

© High Country Gardens

Blanket flowers, also known as Gaillardia, are celebrated for their vivid red and orange blooms.

These perennials are particularly drought-tolerant, thriving in sunny locations with minimal water. Their long-lasting flowers bring warmth and color to any garden setting.

Blanket flowers require little care, making them ideal for novice gardeners. Their resistance to poor soil conditions and pests adds to their appeal. With a vibrant display and the ability to attract pollinators, blanket flowers offer both beauty and ecological benefits with just monthly watering.

California Fuchsia

© Home Ground Habitats

With fiery red tubular blooms, the California Fuchsia dazzles any garden. This native of western North America bursts into a blaze of color during late summer and fall. Perfect for arid climates, it thrives in well-drained soil with little water. Its nectar-rich flowers attract hummingbirds, adding lively motion to your garden.

Despite its delicate appearance, this perennial is robust and adaptable, making it a favorite among gardeners seeking hardy, drought-tolerant plants. Its ability to flourish with minimal hydration makes it a true gem for sustainable gardening.

Sea Holly

© Epic Gardening

Sea Holly, with its spiky blue flower heads, adds a touch of drama to any garden. This perennial thrives in sandy, dry soils, making it an ideal choice for less fertile areas. Its striking metallic hues provide an eye-catching contrast amongst more traditional plants.

Loved for its resilience, Sea Holly withstands drought conditions gracefully, while attracting bees and butterflies. Its unique texture and form make it a standout choice for those wishing to incorporate structural elements into their landscape design.

Penstemon

© Bluestone Perennials

Known as the beardtongue, Penstemon is renowned for its tubular blooms and upright stems. A favorite among pollinators, it offers a splash of color that ranges from purples to pinks. Perfect for xeriscaping, this perennial thrives in well-drained soils and requires little watering once established.

The plant’s resilience against dry spells makes it a reliable addition to water-conscious gardens. Its vibrant flowers create a lively atmosphere that complements any garden theme, offering both beauty and ecological benefits.

Red Valerian

© High Country Gardens

Red Valerian, also known as Jupiter’s Beard, boasts vibrant red flowers that captivate onlookers. This perennial flourishes in rocky, poor soils, and its drought-resistant nature makes it a top choice for low-maintenance gardens.

Its charming clusters of flowers not only add visual appeal but also attract butterflies, enhancing biodiversity. With its long blooming period, Red Valerian provides continuous color and interest throughout the summer months, making it a versatile and enduring garden feature.

Lamb’s Ear

© High Country Gardens

Lamb’s Ear is cherished for its soft, velvety foliage that invites touch. This perennial is incredibly easy to care for, thriving in dry, sunny locations with minimal water needs. Its silvery leaves create a beautiful ground cover, offering a serene contrast to more colorful blooms.

In addition to its aesthetic appeal, Lamb’s Ear is a great choice for sensory gardens, providing a tactile experience for visitors. Its drought tolerance and unique texture make it a popular choice among gardeners looking for low-maintenance beauty.

Rock Rose

© Water Efficient Gardens

The Rock Rose, with its vivid pink blossoms, brings a splash of color to challenging garden spaces. Adapted to rocky terrains, this perennial thrives in harsh conditions with minimal water. It blooms profusely, creating a striking display that lasts through the summer.

This plant’s ability to colonize difficult areas makes it invaluable for erosion control. Its resilience and colorful appearance make the Rock Rose a beloved choice for gardeners looking to blend functionality with beauty in their landscapes.