Blog

When to plant Yam in Brevard County, FL

Brevard County's climate puts the Yam spring window between January 19 and February 9. aim for a steady week of warm soil before planting.

When to Plant Yam in Brevard County, FL

True yams are tropical tubers distinct from sweet potatoes, producing large starchy roots that can weigh several pounds. They are a staple food in tropical regions worldwide.

Brevard County, Florida is in USDA Zone 10a. The average last spring frost is January 19 and the first fall frost is December 20, giving you a growing season of approximately 335 days.

At an elevation of 491 feet, Brevard County receives approximately 52.7 inches of rainfall annually with predominantly sand soil. Summer highs average 104°F, so Yam may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Yam will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Yam root diseases.

Brevard County, FL (Zone 10a) Year-round
335 days
Last Spring Frost January 19
335 growing days
First Fall Frost December 20

Brevard County Soil Profile

Soil Type

Sand

Soil pH

4.8-5.9

Drainage

Well Drained

Monthly Watering Guide for Yam

Yam needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Yam Needs Rainfall You Supplement Action
Jan 4.3" 2.2" 2.1" 💧 Light watering
Feb 4.3" 3.1" 1.2" 💧 Light watering
Mar 4.3" 3.5" 0.8" 💧 Light watering
Apr 4.3" 2.5" 1.8" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 7.5" 0" ✅ Rainfall sufficient
Jul 4.3" 6.6" 0" ✅ Rainfall sufficient
Aug 4.3" 6.8" 0" ✅ Rainfall sufficient
Sep 4.3" 7.6" 0" ✅ Rainfall sufficient
Oct 4.3" 5" 0" ✅ Rainfall sufficient
Nov 4.3" 1.9" 2.4" 🚿 Regular watering
Dec 4.3" 2.3" 2" 💧 Light watering

Water needs are for active growing months only (Jan–Dec in Brevard County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Yam Planting Timeline — Brevard County, FL

Yam Planting Calendar

Activity When Date Range
Start Indoors December 8 Dec 8 – Dec 22
Transplant Outdoors January 26 Jan 26 – Feb 9
Direct Sow January 19 Jan 19 – Feb 9
Harvest July 27 Jul 27 – Jan 11

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Transplant Outdoors Direct Sow Harvest
February Transplant Outdoors Direct Sow
March
April
May
June
July Harvest
August Harvest
September Harvest
October Harvest
November Harvest
December Start Indoors Harvest

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

180–330 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: N/A

🗺️ USDA Zone

Zone 10a

📆 Growing Season

335 days in Brevard County

Growing Tips for Brevard County

Plant tuber pieces in mounds of loose, rich soil. Provide sturdy trellising for climbing vines. Yams require a long, warm growing season of 8-11 months. Harvest when vines die back.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Yam in Brevard County, FL?

Brevard County is in Zone 10a with an average last frost of January 19. Plan your Yam planting based on this frost date — see the calendar above for exact timing.

What planting zone is Brevard County, FL?

Brevard County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is January 19 and first fall frost is December 20.

When should I plant Yam in Brevard County, FL?

In Brevard County, FL, plant Yam after the last frost (around January 19) and before the first frost (around December 20). Best results when soil holds above 50°F.

What growing zone is Brevard County, FL for Yam?

Brevard County sits in USDA Zone 10a. Yam grows reliably in zones 9a through 12b, so it's a good fit here.

Can Yam grow in Brevard County's climate?

Yes — Yam grows well in Brevard County's temperate climate. Brevard County averages a 336-day frost-free season, with last frost around January 19 and first frost around December 20.

🌱

Your Brevard County Garden Planner — Free

A 22-page printable planner built for Brevard County (Zone 10a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Brevard County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.