Phoenix's Cleanest Trailing Groundcover for Bright White Color & Low Water

White Trailing Lantana (Lantana montevidensis 'White') is the crisp, elegant cousin of the purple and orange lantana varieties — delivering the same vigorous trailing habit and exceptional drought tolerance but with pure white blooms that brighten borders, slopes, and rock gardens throughout the Phoenix Valley. Its clean white flowers pair beautifully with virtually any landscape color palette, and its nearly year-round bloom season makes it one of the most reliable flowering groundcovers available in Zone 9b–10a. Whether you're creating a refined xeriscape border in Paradise Valley, blanketing a slope in Gilbert, or adding bright contrast to a dark block wall in Glendale, White Trailing Lantana delivers season after season with minimal water and care.

White Trailing Lantana Plant Details

White Trailing Lantana Uses in Phoenix Landscapes

Elegant Slopes & Erosion Control

White Trailing Lantana is one of the most effective slope plants for the Phoenix Valley — its fast-spreading stems root as they go, stabilizing soil and preventing erosion while delivering a clean, bright floral display. The white blooms show up beautifully against dark rock mulch, gravel, or boulder-covered slopes. Plant 3–4 feet apart on grades for full coverage within one growing season.

Wall Cascades & Retaining Wall Softeners

Few plants soften hardscape as elegantly as White Trailing Lantana cascading over a stucco wall or block retaining structure. The long trailing stems spill naturally over edges, creating a graceful waterfall effect of white blooms against rough wall textures. Plant at the top of walls 3 feet apart; trails cascade down naturally, lengthening each season as the plant matures.

Mixed Lantana Color Combinations

White Trailing Lantana shines in combination plantings with purple, orange, and gold lantana varieties. Classic pairings: white + purple for a crisp, refined look; white + Radiation (orange-red) for a fiesta-inspired border; or white + New Gold for a soft, elegant two-tone groundcover. Plant alternating varieties 3 feet apart for a ribbon of color that covers large areas quickly.

Pool-Adjacent Groundcover

White Trailing Lantana's low-litter blooming habit and compact spreading form make it an excellent choice for groundcover around pool decks and water features. The white flowers complement blue water beautifully, and the plant's drought tolerance means it thrives in the reflected heat typical of pool surrounds without constant irrigation. Keep trimmed back from the pool edge for a tidy, polished look.

Best Time to Plant White Trailing Lantana in Phoenix

Fall planting (October–November) is ideal — soil stays warm for root development while air temperatures moderate, giving the plant 6–8 months to establish before its first Phoenix summer. Spring planting (February–April) is an excellent second window. Avoid summer planting in June–August unless you can provide daily watering and some afternoon shade protection for the first 2–3 weeks.

How to Plant White Trailing Lantana

1. Dig wide, not deep — 2–3x the root ball width, same depth. Trailing lantana spreads horizontally; a wide planting hole helps roots establish quickly.
2. Check for caliche — break through any hardpan layer with a breaker bar. Lantana roots need excellent drainage; caliche layers that hold water will cause root problems.
3. Backfill with native soil — a light 20% organic compost blend is fine. Avoid heavy amendment; lantana prefers lean, well-draining conditions.
4. Spacing — 3–4 ft apart for slopes and groundcover; 3 ft for wall cascade plantings for faster fill-in.
5. Water basin — build a 3–4 inch ring of soil to direct irrigation to the root zone during establishment.
6. Mulch — 2–3 inches of gravel or decomposed granite to retain moisture and moderate summer soil temperatures.

Watering White Trailing Lantana in Phoenix

First Year Watering Schedule

• Weeks 1–2: Every 1–2 days, deep and slow (20–30 min drip)
• Month 1–2: Every 3–4 days
• Month 3–6: Every 7–10 days (every 5–7 days in peak summer heat)
• After Year 1: Every 10–14 days in summer; every 3–4 weeks in winter. Established plants are highly drought-tolerant.

Drip Irrigation

Place drip emitters 18–24 inches from the crown of each plant. Use 1 GPH emitters for 1-gallon plants; 2 GPH for 3/5-gallon plants. Once established (6–8 months), White Trailing Lantana requires minimal supplemental water to maintain bloom and vigor through Phoenix summers.

How fast does White Trailing Lantana spread?
Quickly — established plants spread 3–5 feet per season in Phoenix. A 1-gallon plant in spring will fill a 3–4 foot radius by fall; 3/5-gallon plants establish even faster and cover ground in the first season.

Does it bloom year-round in Phoenix?
Nearly — White Trailing Lantana blooms spring through fall and can continue into winter in the warmest Phoenix microclimates. It may pause or slow down during the absolute coldest weeks (December–January) but resumes strongly as temperatures rise in February–March.

Does it come back after a freeze?
In Zone 9b–10a (Phoenix Metro), it typically holds most of its foliage through winter. In unusual hard freezes it may die back to the crown but re-sprouts vigorously in spring. Cut back frost-damaged stems to 4–6 inches in late February.

How do I keep it looking tidy?
Shear White Trailing Lantana back by one-third in late winter (February) and again in mid-summer (July) to encourage fresh growth and dense re-flowering. Without trimming, it can become a bit woody in the center over time.

Is it safe near pools?
Yes — White Trailing Lantana produces minimal debris and the blooms don't create messy litter near pool water. Its low spreading form is easy to keep trimmed at the pool edge for a neat appearance.

You May Also Like

• Purple Trailing Lantana — Vivid lavender-purple cascading blooms; identical habit and water needs
• Radiation Lantana — Fiery orange-red trailing variety for bold color contrast with white lantana
• New Gold Lantana — Compact golden-yellow lantana; pairs beautifully with white for a soft two-tone look
• Dallas Red Lantana — Bold red and orange shrub lantana for added height behind white trailing varieties
• Moss Verbena — Fine-textured purple groundcover that creates stunning contrast with white lantana

How Many White Trailing Lantana Do I Need?

Each plant trails out to 4 to 6 feet wide, so a little goes a long way as a groundcover or slope filler. At 3 to 4 foot spacing the plants knit together within one growing season. Use the coverage table to estimate counts:

For wall-top cascades, plant a single row 3 feet apart and let the stems spill over the edge.

White Trailing Lantana Season-by-Season in Phoenix

• Spring (Feb–Apr): Bloom ramps back up fast as nights warm, and stems push new spreading growth. A prime second planting window.
• Summer (May–Sep): Peak performance. Loves reflected heat off walls and pavement and blooms straight through the hottest months, flushing harder with monsoon rain.
• Fall (Oct–Nov): The best planting season in Phoenix, with bloom continuing well into the season.
• Winter (Dec–Jan): Semi-evergreen and holds most foliage in the warmest spots. A hard freeze can knock it back to the crown; cut frost-burned stems to 4 to 6 inches in late February and it re-sprouts vigorously.

At a Glance

✔ Pollinator-Friendly   ✔ Hummingbird-Friendly   ✔ Heat-Loving (Reflected-Heat Tolerant)   ✔ Drought-Tolerant   ✔ Low-Maintenance

Plant It With

• Purple Trailing Lantana: the lavender-purple twin for a crisp white-and-purple ribbon.
• New Gold Lantana: golden blooms for a soft two-tone groundcover.
• Dallas Red Lantana: a taller red-orange shrub lantana for height behind the trailers.
• Yellow Dot: a fast yellow-flowering groundcover that weaves the same low-water look together.

Is White Trailing Lantana Right for Your Yard?

It thrives in full sun with 6 or more hours of light, in well-draining soil where caliche has been broken through, and on slopes, wall tops, and open beds where it has room to trail 4 to 6 feet. It shrugs off reflected heat and needs very little water once established. Not the right fit if you have pets that graze on plants, since lantana foliage and berries are toxic if eaten, or if you want a tidy plant that never needs shearing.