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When to Plant Yarrow in Highlands County, FL

Yarrow is a drought-tolerant perennial herb with feathery foliage and flat-topped flower clusters in white, yellow, pink, or red. It attracts beneficial insects and is used in herbal medicine.

Highlands County, Florida is in USDA Zone 9b. The average last spring frost is January 29 and the first fall frost is December 20, giving you a growing season of approximately 325 days.

At an elevation of 111 feet, Highlands County receives approximately 57.6 inches of rainfall annually with predominantly sand soil. Summer highs average 95Β°F, so Yarrow may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Yarrow will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Yarrow root diseases.

Highlands County, FL (Zone 9b) Year-round
325 days
Last Spring Frost January 29
325 growing days
First Fall Frost December 20

Highlands County Soil Profile

Soil Type

Sand

Soil pH

4.9-5.8

Drainage

Well Drained

Monthly Watering Guide for Yarrow

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

Month Yarrow Needs Rainfall You Supplement Action
Jan 4.3" 2.4" 1.9" πŸ’§ Light watering
Feb 4.3" 3.1" 1.2" πŸ’§ Light watering
Mar 4.3" 3.6" 0.7" πŸ’§ Light watering
Apr 4.3" 2.3" 2" πŸ’§ Light watering
May 4.3" 3.8" 0.5" πŸ’§ Light watering
Jun 4.3" 8.5" 0" βœ… Rainfall sufficient
Jul 4.3" 7.5" 0" βœ… Rainfall sufficient
Aug 4.3" 9.1" 0" βœ… Rainfall sufficient
Sep 4.3" 8" 0" βœ… Rainfall sufficient
Oct 4.3" 5.1" 0" βœ… Rainfall sufficient
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec 4.3" 2.3" 2" πŸ’§ Light watering

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

Yarrow Planting Timeline β€” Highlands County, FL

Yarrow Planting Calendar

Activity When Date Range
Transplant Outdoors February 5 Feb 5 – Feb 19
Harvest May 7 May 7 – Jul 23

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

Month-by-Month Timeline

MonthActivities
January β€”
February Transplant Outdoors
March β€”
April β€”
May Harvest
June Harvest
July Harvest
August β€”
September β€”
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

90–120 days

πŸ§ͺ Soil pH

Needs 5.5–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 9b

πŸ“† Growing Season

325 days in Highlands County

Growing Tips for Highlands County

Direct sow or start from divisions. Yarrow thrives in poor soil and is very drought-tolerant. Deadhead to encourage reblooming. Divide clumps every 3 years.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Yarrow in Highlands County, FL?

Highlands County is in Zone 9b with an average last frost of January 29. Plan your Yarrow planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Highlands County, FL?

Highlands County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 29 and first fall frost is December 20.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Highlands County gardeners in Zone 9b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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