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Growing Verbena in Vientiane

🇱🇦 Zone 11 Planting Guide · Tropical savanna climate

USDA Zone 11 365 frost-free days 60-90 days to harvest

Quick Answer: Growing Verbena in Vientiane

Yes, you can grow Verbena in Vientiane, LA! Plant during Nov, Dec, Jan, Feb, Mar for best results. Vientiane is in USDA Zone 11 with a Tropical savanna climate, offering 365 frost-free days per year. The difficulty level is medium, and Verbena takes 60-90 days to harvest. Verbena needs full sun and low watering.

Climate Match Analysis

Moderate Match Vientiane + Verbena

Vientiane's climate requires careful timing. Summer highs (34°C) exceed Verbena's maximum (32°C), so plant early or provide shade. Follow the recommended planting months for success.

Verbena tolerates -5°C to 32°C
Optimal: 15°C - 28°C
Vientiane range 16°C to 34°C

Vientiane Climate Data

USDA Zone
11
Frost-Free
365days
Winter Low
16°C
Summer High
34°C
Rainfall
1660mm/yr
Climate
Aw
Tropical savanna

Verbena Planting Calendar for Vientiane

Green months show the best time to plant Verbena in Vientiane

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Verbena Not recommended

Verbena Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

60-90

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Verbena

Deadhead for continuous blooms. Drought-tolerant once established. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Frost tolerance: Verbena is frost tolerant — you can plant earlier in spring.

How to Grow Verbena in Vientiane

Vientiane, LA is in USDA Hardiness Zone 11 with a Tropical savanna climate (Köppen Aw). With winter lows of 16°C and summer highs of 34°C, the growing season spans approximately 365 frost-free days. Verbena grows well with some gardening knowledge in this climate.

Verbena thrives in temperatures between 15°C and 28°C, requiring full sun and low watering. In Vientiane, the best months to plant Verbena are November, December, January, February, March. Since Verbena can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 60-90 days after planting.

Vientiane receives 1660mm of annual rainfall, which provides good natural moisture for Verbena. Be careful not to overwater — the natural rainfall may be sufficient.

Other Plants That Grow in Vientiane

More plants you can grow alongside Verbena in Vientiane

Keep Exploring

Frequently Asked Questions

Can I grow verbena in Vientiane?

Yes! Verbena can be successfully grown in Vientiane, LA. Vientiane is in USDA Hardiness Zone 11 with a Tropical savanna climate. The difficulty level for growing Verbena here is rated "medium". The best months to plant are November, December, January, February, March.

When should I plant verbena in Vientiane?

In Vientiane, the recommended planting months for Verbena are November, December, January, February, March. Vientiane has 365 frost-free days per year, with winter lows of 16°C and summer highs of 34°C. Verbena is frost tolerant, giving you more flexibility with planting dates.

How long does verbena take to grow in Vientiane?

Verbena typically takes 60-90 days from planting to harvest. In Vientiane's Tropical savanna climate with 365 frost-free days, you have plenty of time to grow Verbena to maturity. Deadhead for continuous blooms. Drought-tolerant once established. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow verbena indoors in Vientiane?

Verbena can potentially be grown indoors in Vientiane with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Nov, Dec, Jan, Feb, Mar outdoor planting window. Use containers with good drainage and low watering.

What month do I plant verbena in Vientiane?

Plant Verbena in Vientiane during November, December, January, February, March. These are the optimal months based on Vientiane's USDA Zone 11 climate, 365 frost-free days, and temperature range of 16°C to 34°C.

Is verbena hard to grow in Vientiane?

Verbena is rated "medium" to grow in Vientiane. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Verbena in Vientiane is Moderate.

What grows well with verbena in Vientiane?

In Vientiane, you can grow many companion plants alongside Verbena. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Vientiane's Zone 11 climate.

Does verbena need full sun in Vientiane?

Verbena requires full sun. In Vientiane, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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