Houma, LA Xeriscaping Guide
Drought-tolerant landscaping for Houma, LA in USDA hardiness zone 8b. Native plants, water-saving strategies, and xeriscape designs tailored to your local climate.
Water Situation in Louisiana
Water conservation is becoming increasingly important across the US as drought patterns shift. Xeriscaping reduces outdoor water use by 50–75%.
Xeriscaping Steps for Houma
1. Plan and Design
Start with a water-efficient landscape plan that groups plants by water needs. Place high-water plants (if any) closest to the house and low-water plants further away.
2. Improve Soil
Amend soil with compost to improve water retention in sandy soils and drainage in clay soils. Healthy soil holds more moisture and supports deeper root systems.
3. Reduce Turf Area
Limit conventional lawn to areas that serve a functional purpose (play areas, pathways). Replace decorative turf with native plants, ground covers, or mulch.
4. Choose Low-Water Plants
Select native and adapted plants suited to your USDA zone. Native plants have evolved with local rainfall patterns and typically need no supplemental irrigation once established.
5. Mulch Generously
Apply 5–10cm of organic mulch (or gravel in desert climates) around all plantings. Mulch reduces evaporation by up to 70%, suppresses weeds, and moderates soil temperature.
6. Irrigate Efficiently
If irrigation is needed, use drip systems or soaker hoses rather than sprinklers. Water deeply and infrequently to encourage deep root growth. Water before 9am to reduce evaporation.
7. Maintain Appropriately
Proper maintenance reduces water waste. Keep mulch refreshed, prune to reduce water demand, and adjust irrigation seasonally. A well-maintained xeriscape improves over time.
Drought-Tolerant Plants for Houma (Zone 8b)
These plants are selected for USDA zone 8b and are well-suited to Houma's climate. All are drought-tolerant once established and most are native or adapted to this region.
Trees
Sabal Palm
Very low once establishedFlorida’s state tree and a symbol of zone 8b landscapes. Extremely drought-tolerant once established. Survives hurricanes and drought equally well.
Longleaf Pine
Very low once establishedNative fire-adapted pine extremely drought-tolerant once established. Supports many native wildlife species.
Wax Myrtle
LowNative evergreen tree or large shrub. Fast-growing and drought-tolerant once established. Aromatic foliage and berries for birds.
Shrubs
Firebush
LowNative shrub with orange-red flowers attracting hummingbirds and butterflies. Thrives in zone 8b heat once established.
Saw Palmetto
Very lowNative Florida ground-level palm. Extraordinarily drought-tolerant and providing excellent wildlife habitat.
Walter’s Viburnum
LowNative Florida shrub with white flowers and black berries beloved by birds. Drought-tolerant once established.
Ground Covers
Coontie (Zamia)
Very lowFlorida’s only native cycad — a living fossil. Extremely drought-tolerant once established. Host plant for the Atala butterfly.
Beach Sunflower
Very lowNative Florida ground cover with cheerful yellow flowers year-round. Tolerates salt spray and drought equally well.
Sunshine Mimosa
Very lowNative ground cover with pink powder-puff flowers. Fixes nitrogen in soil. Extremely tough once established.
Lawn Alternatives & Ornamental Grasses
Bahiagrass
Low — lowest water needs of Florida lawn grassesIf keeping turf, Bahiagrass uses less water than St. Augustine or Bermuda. Thrives on Florida’s natural rainfall patterns.
Fakahatchee Grass
LowNative Florida grass with attractive form and texture. No supplemental water needed once established.
Florida Gama Grass
LowNative ornamental grass for zone 8b. Good in wet or dry conditions — extremely adaptable.
Perennials & Wildflowers
Salvia guaranitica
LowElectric blue flowers beloved by hummingbirds. Blooms from spring through frost in zone 8b. Drought-tolerant once established.
Porterweed (Stachytarpheta)
Very lowNative Florida perennial with blue-purple flower spikes. Butterfly magnet. Thrives in zone 8b heat with minimal water.
Gaillardia (Blanket Flower)
Very lowNative wildflower with red-yellow flowers blooming nearly year-round in zone 8b. Thrives in poor, sandy, dry soil.
Frequently Asked Questions
What are the best drought-tolerant plants for Houma, LA?
Houma is in USDA zone 8b. The best drought-tolerant trees include Sabal Palm and Longleaf Pine. For shrubs, Firebush and Saw Palmetto perform well. Native perennials like Salvia guaranitica and Porterweed (Stachytarpheta) provide colour with minimal water. All of these are adapted to zone 8b conditions.
How much water can xeriscaping save in Houma, LA?
Xeriscaping in Houma (zone 8b) can save approximately 25,000–40,000 gallons per year — a 50–70% reduction in outdoor water use. This translates to roughly $250–$500 per year in water bill savings for an average household.
Does Houma, LA offer xeriscaping rebates?
Louisiana does not have widespread state-level xeriscape rebates. However, your local Houma water utility may offer incentives. Contact them directly to check for current programs.
Can I keep some lawn and still xeriscape in Houma?
Yes — xeriscaping doesn't mean removing all turf. In Houma (zone 8b), consider keeping a small functional lawn area using Bahiagrass, which needs significantly less water than traditional lawn grass. Replace decorative turf areas with native plants, ground covers, and mulch.
When is the best time to start xeriscaping in Houma, LA?
The best time to plant a xeriscape in Houma (zone 8b) is in fall — typically September through November. Fall planting allows roots to establish during cooler weather with less water stress. Spring planting (March–May) is a secondary option but requires more attentive watering during the first summer.