Frost Dates for New Port Richey, FL 34654

New Port Richey has 4 ZIP codes. The New Port Richey, FL frost page lists all of them with their dates.

Last spring frost January 29 · First fall frost January 21 · 357 frost-free days · USDA Zone 9b

Frost probability for 34654

Frost10%50%90%
Spring (last frost)February 26January 29—
Fall (first frost)December 11January 21—

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (20.3 km away); the 50% date is the median year.

Month by month in New Port Richey

MonthWhat to do
JanuaryPlant cool-season crops: lettuce, spinach, broccoli, peas, and carrots.
FebruaryDirect sow brassicas and root vegetables. Start warm-season seedlings indoors.
MarchTransplant warm-season crops outdoors. Sow beans, cucumbers, and squash.
AprilMain warm-season planting window. Direct sow melons and sweet corn.
MaySuccession plant lettuce. Keep beds irrigated as temperatures climb.
JuneMonitor for heat stress. Harvest zucchini and cucumbers frequently.
JulyHarvest regularly to encourage continued production. Watch for pests.
AugustStart fall cool-season crops: broccoli, kale, beets, and carrots.
SeptemberPlant fall lettuce, spinach, arugula, and radishes.
OctoberHarvest mature crops. Direct sow cold-tolerant greens.
NovemberPlant garlic and onion sets. Harvest cool-season crops through the month.
DecemberPlant cool-season crops for winter harvest. Plan next year's garden.

What grows in a 357-day season

Frequently Asked Questions

What is the last frost date for New Port Richey, FL (ZIP 34654)?

The median last spring frost date for New Port Richey, FL (ZIP code 34654) is around January 29. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.

What is the first fall frost date in New Port Richey, FL?

The median first fall frost date for New Port Richey, FL is around January 21. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.

How long is the growing season in New Port Richey, FL?

The frost-free growing season in New Port Richey is about 357 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.

What USDA hardiness zone is New Port Richey, FL?

Based on frost date patterns, New Port Richey falls approximately in 9b. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.

When should I start tomatoes indoors in New Port Richey, FL?

Start tomato seeds indoors 6–8 weeks before your last frost date (around January 29). For New Port Richey, that's roughly December 4 to December 18. Transplant outdoors 1–2 weeks after your last frost.

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