🌸 Can I Plant Rhubarb in Las Vegas, NV?

2026 planting guide for Zone 9b · Last frost ~February 15 · Growing season ~290 days

✅ YES — Good temps, but watch for heat — highs near 116°F

Temperature conditions are suitable for Rhubarb. Highs near 116°F are on the warm side — make sure plants have plenty of water.

Planting window: Jul 16 – Jul 30
Good to plant now — rhubarb is a perennial, so expect first harvest in 2027.
Live result based on current forecast for Las Vegas, NV · Updates every 6 hours
USDA Zone
9b
Last Spring Frost
~February 15
First Fall Frost
December 1
Growing Season
~290 days
Ideal Temp for Rhubarb
40–75°F
Frost Risk
✅ Tolerant

Growing Rhubarb in Las Vegas

Las Vegas's Zone 9b Mojave Desert climate is defined by extreme summer heat — well above 110°F in July — and mild, pleasant winters. The gardening calendar runs opposite to most of the country: cool-season vegetables thrive October through March, and warm-season crops are best planted in spring (March–May) before the furnace of summer arrives. Drip irrigation and shade cloth are non-negotiable in Las Vegas gardens.

In Las Vegas (last frost around February 15), rhubarb can go out around February — approximately 2 weeks before the last expected frost, making it an early-season opportunity.

Rhubarb thrives between 40°F and 75°F. It tolerates temperatures as low as 20°F, making it a candidate for early spring planting before the last frost date. Expect 365–730 days from transplant to first harvest. Do not harvest in the first year. Leaves are toxic — eat stalks only. Thrives with cold winters.

Frequently Asked Questions

When can I plant rhubarb in Las Vegas, NV?

In Las Vegas (last frost around February 15), rhubarb can go out around February — approximately 2 weeks before the last expected frost, making it an early-season opportunity.

What is the USDA hardiness zone for Las Vegas?

Las Vegas, NV is in USDA Plant Hardiness Zone 9b. The last expected spring frost is around February 15, and the first fall frost arrives around December 1. This zone classification helps you understand which perennials survive winter and when annual vegetables can safely go outdoors.

Is it safe to plant rhubarb outside in Las Vegas right now?

That depends on the current weather forecast. Rhubarb needs temperatures above 20°F (ideally 40–75°F) to thrive. CanIPlant checks your real 7-day forecast and any active frost alerts to give you a live YES, NO, or WAIT answer — just enter your ZIP code.

Can I grow rhubarb in Las Vegas 2026?

Yes — Rhubarb grows well in Las Vegas, NV. With a Zone 9b climate and a growing season of ~290 days, Las Vegas is well-suited for cool-season crops like rhubarb. As a frost-tolerant crop, rhubarb can even go out a few weeks before the last frost date.

Grow Rhubarb in Other Cities

New York, NYLos Angeles, CAChicago, ILHouston, TXPhoenix, AZPhiladelphia, PASan Antonio, TXSan Diego, CA

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