When to Plant Chamomile in San Patricio County, TX
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.
San Patricio County, Texas is in USDA Zone 9a. The average last spring frost is February 12 and the first fall frost is December 9, giving you a growing season of approximately 300 days.
At an elevation of 2,449 feet, San Patricio County receives approximately 54.7 inches of rainfall annually with predominantly loam soil. Summer highs average 100°F, so Chamomile may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Chamomile root diseases.
San Patricio County Soil Profile
Soil Type
Loam
Soil pH
6.8-7.2
Drainage
Well Drained
Plant Planting Risk Windows
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 San Patricio County
How your county's soil matches Chamomile's growing requirements.
Soil pH
Your soil pH (6.8–7.2) is within Chamomile's preferred range (5.6–7.5).
Soil Texture
The loam soil in San Patricio County is excellent for Chamomile — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is low (1.9%). Add 2-3 inches of compost before planting Chamomile.
How to Plant Chamomile
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Chamomile
Sow every 6.9 weeks. Last sowing by Sep 10 to harvest before frost.
For a dedicated fall crop, sow by Oct 14.
Plant Water Budget
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 | — | 1.5" | 0" | ❄️ Dormant |
| Feb | 1.7" | 1.7" | 0" | ✅ Rainfall sufficient |
| Mar | 1.7" | 3.8" | 0" | ✅ Rainfall sufficient |
| Apr | 1.7" | 6.4" | 0" | ✅ Rainfall sufficient |
| May | 1.7" | 8.5" | 0" | ✅ Rainfall sufficient |
| Jun | 1.7" | 8.1" | 0" | ✅ Rainfall sufficient |
| Jul | 1.7" | 7.5" | 0" | ✅ Rainfall sufficient |
| Aug | 1.7" | 5.6" | 0" | ✅ Rainfall sufficient |
| Sep | 1.7" | 5" | 0" | ✅ Rainfall sufficient |
| Oct | 1.7" | 3.1" | 0" | ✅ Rainfall sufficient |
| Nov | 1.7" | 2" | 0" | ✅ Rainfall sufficient |
| Dec | 1.7" | 1.4" | 0.3" | 💧 Light watering |
Water needs are for active growing months only (Feb–Dec in San Patricio 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 Planting Timeline — San Patricio County, TX
Chamomile Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 15 | Jan 15 – Jan 29 |
| Transplant Outdoors | February 5 | Feb 5 – Feb 19 |
| Direct Sow | January 22 | Jan 22 – Feb 12 |
| Harvest | April 9 | Apr 9 – Jun 18 |
| Fall Sowing | October 14 | Oct 14 – Oct 28 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | — |
| April | Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| 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: ideal
🗺️ USDA Zone
Zone 9a
📆 Growing Season
300 days in San Patricio County
Growing Tips for Chamomile in San Patricio County
Direct sow Chamomile outdoors after February 12 in San Patricio County when soil has warmed and frost danger has passed.
With summer highs reaching 100°F in San Patricio 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 →
Chamomile in Other Locations
Frequently Asked Questions
When should I plant Chamomile in San Patricio County, TX?
San Patricio County is in Zone 9a with an average last frost of February 12. Plan your Chamomile planting based on this frost date — see the calendar above for exact timing.
What planting zone is San Patricio County, TX?
San Patricio County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 12 and first fall frost is December 9.
Plan Your Garden with Confidence
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