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When to Plant Chamomile in Presidio County, TX

Presidio County, Texas Zone 8a May

Presidio County, Texas gardeners: here's your May plan

A quick May briefing for Presidio County, Texas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 3
Avg. first frost November 2
Soil temp (4") 68°F
Watering Critical
Pest pressure Moderate
Daylight 13.5 hrs
  1. Start chamomile indoors

    Starting these indoors now means sturdy transplants ready the moment your soil warms up.

  2. Pick chamomile

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

Before June arrives, get these ready
  • First harvests: chamomile

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Chamomile is a daisy-like herb famous for its calming, apple-scented tea. German chamomile is an annual while Roman chamomile is a perennial ground cover.

Presidio County, Texas is in USDA Zone 8a. The average last spring frost is April 3 and the first fall frost is November 2, giving you a growing season of approximately 213 days.

At an elevation of 1,804 feet, Presidio County receives approximately 42.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102°F, so Chamomile may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Chamomile will need more frequent watering and organic matter to retain nutrients.

Presidio County, TX (Zone 8a) Long season
213 days
Last Spring Frost April 3
213 growing days
First Fall Frost November 2

Presidio County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.3-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (91 days to spare)
Start indoors: Feb 16 Transplant: Mar 16 🍅 Harvest: May 18 – Jul 27
Recommended (50%) ✓ Fits season (87 days to spare)
Start indoors: Feb 27 Transplant: Mar 27 🍅 Harvest: May 29 – Aug 7
Safe Start (90%) ✓ Fits season (84 days to spare)
Start indoors: Mar 24 Transplant: Apr 21 🍅 Harvest: Jun 23 – Sep 1

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 Presidio County

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

Soil pH

Your soil pH (7.3–8.4) is more alkaline than Chamomile prefers (5.6–7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Presidio County warms quickly in spring but drains fast. Chamomile will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

Organic matter is low (1.0%). Add 2-3 inches of compost before planting Chamomile.

How to Plant Chamomile

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Chamomile

4
successive plantings in your 213-day season

Sow every 6.9 weeks. Last sowing by Aug 04 to harvest before frost.

For a dedicated fall crop, sow by Aug 24.

Plant Water Budget

Plant needs
0.4″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Chamomile

Chamomile needs approximately 0.4 inches of water per week (1.7" per month). Here's how your county's rainfall compares month by month.

Month Chamomile Needs Rainfall You Supplement Action
Jan 2.6" 0" ❄️ Dormant
Feb 2.4" 0" ❄️ Dormant
Mar 2.3" 0" ❄️ Dormant
Apr 1.7" 1.4" 0.3" 💧 Light watering
May 1.7" 1.1" 0.6" 💧 Light watering
Jun 1.7" 1.5" 0.2" 💧 Light watering
Jul 1.7" 7.3" 0" ✅ Rainfall sufficient
Aug 1.7" 9.7" 0" ✅ Rainfall sufficient
Sep 1.7" 6" 0" ✅ Rainfall sufficient
Oct 1.7" 3.3" 0" ✅ Rainfall sufficient
Nov 1.7" 2.2" 0" ✅ Rainfall sufficient
Dec 3.2" 0" ❄️ Dormant

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

Chamomile 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.

Chamomile needs ~1,988 GDD — county provides 5,644 GDD Excellent fit

Chamomile Planting Timeline — Presidio County, TX

Chamomile Planting Calendar

Activity When Date Range
Start Indoors February 27 Feb 27 – Mar 13
Transplant Outdoors March 27 Mar 27 – Apr 10
Direct Sow March 20 Mar 20 – Apr 10
Harvest May 29 May 29 – Aug 7
Fall Sowing August 24 Aug 24 – Sep 7

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.4"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 5.6–7.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

213 days in Presidio County

Growing Tips for Chamomile in Presidio County

Direct sow Chamomile outdoors after April 03 in Presidio County when soil has warmed and frost danger has passed.

Sandy soil in Presidio County dries quickly — mulch Chamomile with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 102°F in Presidio County, provide afternoon shade for Chamomile and water deeply in the morning.

Common pests for Chamomile in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow on the soil surface as seeds need light. Harvest flowers when petals begin to curl back. Chamomile self-sows freely and improves the health of nearby plants.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chamomile in Presidio County, TX?

Presidio County is in Zone 8a with an average last frost of April 3. Plan your Chamomile planting based on this frost date — see the calendar above for exact timing.

What planting zone is Presidio County, TX?

Presidio County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is April 3 and first fall frost is November 2.

🌱

Your Presidio County Garden Planner — Free

A 24-page printable planner built for Presidio County (Zone 8a). 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 Presidio 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.