Blog

When to Plant Feverfew in USDA Zone 9b

Zone 9b Zone 9b May

May to-do list for Zone 9b

Your garden in Zone 9b is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost February 14
Avg. first frost December 4
  1. Start harvesting feverfew

    If you can't use it all right away, check the food-preservation section of your planner.

Looking ahead to June
  • First harvests: feverfew
Get the full Zone 9b Garden Planner — free →

Feverfew is a bushy perennial herb with small daisy-like flowers and aromatic leaves. It has been used traditionally for headache relief and is a cheerful garden plant.

In Zone 9b, the average last spring frost is around January 25 and the first fall frost is around December 20, giving you a growing season of approximately 329 days.

Zone 9b Year-round
329 days
Last Spring Frost January 25
329 growing days
First Fall Frost December 20

Feverfew Planting Timeline — Zone 9b

Where Is USDA Zone 9b?

The map below highlights the states that contain Zone 9b. Click any state to see the Feverfew planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Feverfew Planting Calendar — Zone 9b

Activity When Date Range
Transplant Outdoors February 1 Feb 1 – Feb 15
Harvest May 3 May 3 – Jul 19

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

Month-by-Month Timeline

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

Free Zone 9b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 9b with start dates, transplant windows, and harvest times.

Instant PDF download. No spam, unsubscribe any time.

Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

Days to Maturity

90–120 days

Soil pH

6 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

329 days (Zone average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Growing Tips for Feverfew in Zone

Zone has a short growing season (~329 days). Start Feverfew indoors early and use season-extension techniques like row covers and cold frames.

Start seeds indoors or direct sow on the soil surface. Deadhead regularly to prevent aggressive self-seeding. Divide clumps every 2-3 years to maintain vigor.

Companion Planting

Good Companions

Best Seller
The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
  • Full seed-starting + planting schedule with timing and spacing
  • Bonus: square-foot gardening guide + printable seasonal planners
See what's inside →

Saving Feverfew Seeds

Recommended for Your Garden

🪴
Fabric Grow Bags $10-25

Breathable fabric pots that promote healthy root growth and prevent overwatering.

🏺
Self-Watering Planters $15-40

Built-in reservoir keeps herbs and greens consistently watered with less effort.

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

Related Plants

Frequently Asked Questions

When should I plant Feverfew in Zone 9b?

In Zone 9b, plan your Feverfew planting around the average last frost date of January 25. Transplant seedlings around February 1.

Can Feverfew grow in Zone 9b?

Yes, Feverfew can grow well in Zone 9b, hardy in USDA zones 5a through 9b. Zone 9b has a growing season of approximately 329 days, which is sufficient for Feverfew (90-120 days to maturity).

When can I harvest Feverfew in Zone 9b?

In Zone 9b, expect to harvest Feverfew from May 3 – July 19. Feverfew takes 90-120 days from planting to harvest.

What is the last frost date for Zone 9b?

The average last spring frost in Zone 9b is around January 25, and the first fall frost is around December 20. This gives a growing season of approximately 329 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Feverfew?

Good companion plants for Feverfew include Roses, Lettuce. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — 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.