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When to Plant Borage in Runnels County, TX

Borage is a self-seeding annual herb with star-shaped blue flowers that attract pollinators. Its leaves have a cucumber-like flavor and the flowers are edible.

Runnels County, Texas is in USDA Zone 7b. The average last spring frost is March 19 and the first fall frost is November 15, giving you a growing season of approximately 241 days.

At an elevation of 4,833 feet, Runnels County receives approximately 47.6 inches of rainfall annually with predominantly loam soil. Summer highs average 90Β°F, providing good warmth for Borage during the growing season.

Runnels County, TX (Zone 7b) Long season
241 days
Last Spring Frost March 19
241 growing days
First Fall Frost November 15

Runnels County Soil Profile

Soil Type

Loam

Soil pH

6.3-7.1

Drainage

Well Drained

Monthly Watering Guide for Borage

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

Month Borage Needs Rainfall You Supplement Action
Jan β€” 1" 0" ❄️ Dormant
Feb β€” 1.6" 0" ❄️ Dormant
Mar 4.3" 3" 1.3" πŸ’§ Light watering
Apr 4.3" 4.9" 0" βœ… Rainfall sufficient
May 4.3" 7.4" 0" βœ… Rainfall sufficient
Jun 4.3" 8.1" 0" βœ… Rainfall sufficient
Jul 4.3" 6.3" 0" βœ… Rainfall sufficient
Aug 4.3" 5.1" 0" βœ… Rainfall sufficient
Sep 4.3" 4.2" 0.1" πŸ’§ Light watering
Oct 4.3" 3.2" 1.1" πŸ’§ Light watering
Nov 4.3" 1.5" 2.8" 🚿 Regular watering
Dec β€” 1.3" 0" ❄️ Dormant

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

Borage Planting Timeline β€” Runnels County, TX

Borage Planting Calendar

Activity When Date Range
Start Indoors February 12 Feb 12 – Feb 26
Transplant Outdoors March 12 Mar 12 – Mar 26
Direct Sow March 5 Mar 5 – Mar 26
Harvest May 7 May 7 – Jun 25
Fall Sowing September 6 Sep 6 – Sep 20

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Low β€” drought tolerant

πŸ“… Days to Maturity

50–60 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

241 days in Runnels County

Growing Tips for Runnels County

Direct sow in spring as borage does not transplant well. Allow some plants to go to seed for next year. Young leaves are best; older leaves become bristly.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Borage in Runnels County, TX?

Runnels County is in Zone 7b with an average last frost of March 19. Plan your Borage planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Runnels County, TX?

Runnels County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 19 and first fall frost is November 15.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Runnels County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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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 Runnels County, TX. Local conditions may vary. Last updated: April 2026.