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When to Plant Guava in Milam County, TX

Milam County, Texas Zone 9a May

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Avg. last frost March 4
Avg. first frost November 21
Soil temp (4") 72°F
Watering Low
Pest pressure High
Daylight 13.6 hrs

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Guava is a tropical fruit tree producing fragrant, vitamin C-rich fruits with pink, white, or yellow flesh. Some varieties can tolerate brief cold snaps.

Milam County, Texas is in USDA Zone 9a. The average last spring frost is March 4 and the first fall frost is November 21, giving you a growing season of approximately 262 days.

At an elevation of 61 feet, Milam County receives approximately 65.3 inches of rainfall annually with predominantly clay soil. Summer highs average 92°F, providing good warmth for Guava during the growing season. Clay soil retains moisture well for Guava, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Guava root diseases.

Milam County, TX (Zone 9a) Long season
262 days
Last Spring Frost March 4
262 growing days
First Fall Frost November 21
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Milam County Soil Profile

Soil Type

Clay

Soil pH

6.8-8.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Mar 3
Recommended (50%) ✓ Fits season
Transplant: Mar 18
Safe Start (90%) ✓ Fits season
Transplant: Apr 7

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Milam County

How your county's soil matches Guava's growing requirements.

Soil pH

Your soil pH (6.8–8.3) is more alkaline than Guava prefers (5.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Heavy clay soil (46% clay) in Milam County compacts easily and drains slowly. Amend with compost and avoid working soil when wet.

Organic Matter

Organic matter is moderate (3.4%). Annual compost additions will help Guava.

How to Plant Guava

36"
Between Plants
48"
Between Rows

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Guava

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

Month Guava Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 2.5" 0" ❄️ Dormant
Mar 4.3" 4" 0.3" 💧 Light watering
Apr 4.3" 7" 0" ✅ Rainfall sufficient
May 4.3" 9.4" 0" ✅ Rainfall sufficient
Jun 4.3" 10.2" 0" ✅ Rainfall sufficient
Jul 4.3" 7.9" 0" ✅ Rainfall sufficient
Aug 4.3" 8.8" 0" ✅ Rainfall sufficient
Sep 4.3" 6.1" 0" ✅ Rainfall sufficient
Oct 4.3" 3.9" 0.4" 💧 Light watering
Nov 4.3" 2.3" 2" 💧 Light watering
Dec 1.7" 0" ❄️ Dormant

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

Guava Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Guava needs ~10,402 GDD — county provides 4,978 GDD May not mature

Guava Planting Timeline — Milam County, TX

Guava Planting Calendar

Activity When Date Range
Transplant Outdoors March 18 Mar 18 – Apr 1

· 36" apart · Rows 48" apart

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May
June
July
August
September
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

365–730 days

🧪 Soil pH

Needs 5–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 9a

📆 Growing Season

262 days in Milam County

Growing Tips for Guava in Milam County

Direct sow Guava outdoors after March 04 in Milam County when soil has warmed and frost danger has passed.

With Milam County's clay soil (46% clay), work in 3-4 inches of compost before planting Guava. Avoid tilling when soil is wet to prevent compaction.

Your 262.0-day growing season in Milam County is tight for Guava (365.0-730.0 days to maturity). Start indoors and choose early-maturing varieties.

General growing tips

Plant in a sheltered location with full sun. Water regularly during fruiting. In marginal zones, grow in large containers. Prune to maintain size and shape. Fruits ripen year-round in the tropics.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Guava in Milam County, TX?

Milam County is in Zone 9a with an average last frost of March 4. Plan your Guava planting based on this frost date — see the calendar above for exact timing.

What planting zone is Milam County, TX?

Milam County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is March 4 and first fall frost is November 21.

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Your Milam County Garden Planner — Free

A 24-page printable planner built for Milam County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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

Sources & credits

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