Online Class

The Extended Harvest

Vegetables for Every Season
$24.99$39.99

Enjoy your favorite homegrown vegetables year round with fresh season-extension techniques from master gardener Bill Thorness.

Skill Level

Intermediate

What You Get

  • 7 Streaming HD video lessons with anytime, anywhere access
  • Class materials
  • Hours of close-up instruction
  • Answers to student questions from instructor, Bill Thorness
  • Closed captioning available (web only)

How it works

  • Once you purchase find your class in your class library.
  • Watch on any device anytime.
  • Find downloadable class resources in the class viewer.

Class Overview

Discover the secrets behind the extended harvest with master gardener Bill Thorness as your guide. First, learn about regional climates throughout the United States and pinpoint the techniques and plants that will thrive in yours. Then, select the right spot for your cold-weather garden and get tips on cost-effective wind barriers and raised beds to keep your plants warm. Grow your strongest plants yet with Bill’s compost recipes and get his tips for working with worm bins. Plus, build healthy soil year round by adding sheet mulch, planting cover crops and more. Next, find out how to keep your soil warm and create microclimates that support individual plants. Then, build cloches, cold frames and more to protect your vegetables from the elements, and learn how to care for plants in your new structures. Finally, get a thorough overview of your extended-season options whether caring for a modest indoor garden or a gorgeous greenhouse.

Lesson Breakdown

1. Conquering the Calendar
18:58
Meet your instructor, author and master gardener Bill Thorness, as you whet your appetite for hearty year-round vegetables. Bill introduces you to various regional climates in the U.S., shows you how to use a calendar to extend your harvest, and suggests a variety of cool-weather plants to consider.
2. Site Selection
16:15
3. Building the Soil
36:35
4. Basic Season Extension
15:02
5. Advanced Season Extension
26:35
6. Fall & Winter Season Extension
26:32
7. Greenhouses, Polytunnels & Indoors
20:44

Recommended with this class

  • Fertilizers: commercial fertilizer, compost and/or mulch (compost recipes and mulch techniques are shared in class)
  • Plastic sheets 4-6 mm in thickness (to be used as solarizing sheets or to cover cloches) and clamps, pins, stones or similar to anchor sheets
  • Construction materials for raised beds, polytunnels, cloches, cold frames or similar (optional; specific construction techniques and materials are covered in class)

Taught by

Bill Thorness
Bill Thorness
Bill Thorness is a Seattle-based writer and gardener. He is the the author of Cool Season Gardener and Edible Heirlooms, and he writes for a variety of regional print and online publications, including The Seattle Times and Edible Seattle. He is a master gardener with Washington State University Extension-King County, and a master composter and soil builder.

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