| Jan. 5, 2020 | 'Tis the season to prepare | Seed viability and sources | Indoor Gardening in Winter |
| Feb. 2, 2020 | Give seeds a cold start | Winter sowing | Winter Sowing |
| Feb. 23, 2020 | Dig into learning | Season introduction | Let's start gardening |
| Mar. 1, 2020 | Husband shares secrets behind his beautiful peppers | Pepper-growing tips | Keep warm season crops warm |
| Mar. 8, 2020 | Give seeds a good start with the right containers, soil and light | Seed-starting | Seed-starting |
| Mar. 15, 2020 | Chill artichoke seedlings to fool them into producing | Growing artichokes | Grow artichokes |
| Mar. 22, 2020 | Netting helps keep pests away from cabbage family crops | Grow cabbage family crops | Insect control for cabbage family crops |
| Mar. 29, 2020 | Planting seeds of opportunity | Grow a vegetable garden | How to harden off seedlings |
| Apr. 5, 2020 | Grow beet family crops, and cover them to keep pests away | Grow beet family crops | Plant Early with Cloches |
| Apr. 12, 2020 | Annuals add delightful color all season long | Annual flowers | Grow annual flowers |
| Apr. 19, 2020 | How to grow onions | Grow onions | Plant Cool-Season Crops |
| Apr. 26, 2020 | Warm season crops as cool as a cucumber | Grow cucurbits | Late April Garden Update |
| May 3, 2020 | The best-tasting tomatoes are grown at home | Grow tomatoes | Plant Potatoes and Onion Sets |
| May 10, 2020 | Expand your harvest options with container gardening | Grow veggies in containers | Plant Peas |
| May 17, 2020 | Spice up your garden with culinary herbs | Grow herbs | How to Plant Tomatoes |
| May 24, 2020 | Pollinator project comes with lots of unexpected learning opportunities | Pollinator garden update | Floating row cover |
| May 31, 2020 | Events are cancelled but there is still plenty of good to harvest | Impact of COVID-19 on gardeners | Vegetable garden tour #1 |
| June 7, 2020 | Your job for the week: Check out gardening shows | Gardener's World | English Gardens |
| June 14, 2020 | With figs, it's best to contain your excitement | Growing figs | Grow figs and spring tasks |
| June 21, 2020 | June's deluges rotten for some garden vegetables | Veggie garden update | Vegetable Q and A |
| June 28, 2020 | Work to provide sanctuary for birds pays off | Birds in the garden | California Quail |
| July 5, 2020 | Bugs with benefits | Organic insect control | July vegetable garden tour |
| July 12, 2020 | Poppies are poppin' up everywhere, add beauty to gardens | Growing annual poppies | Pollinator garden tour |
| July 19, 2020 | Before using fertilizer, understand what your plants need | Fertilizer | July vegetable gardening tips |
| July 26, 2020 | Gardener finds ways to deal with willow's unintended consequences | Gardener profile: Marie Cole | Hot weather gardening tips |
| Aug. 2, 2020 | Friends of Manito plant sale grows in response to COVID-19 | Friends of Manito plant sale | Vegetable Garden Tour #3 (August) |
| Aug. 9, 2020 | The perfect time to pick your home-grown vegetables | When to harvest vegetables | How to plant cover crops |
| Aug. 16, 2020 | Three-step pruning process will ripen green tomatoes | Ripen tomatoes, melons, winter squash | Ripen tomatoes, melons, winter squash |
| Aug. 23, 2020 | Vegetables are plentiful in growing a fall garden | Fall vegetable garden | Prune tomatoes 2 and updates |
| Aug. 30, 2020 | Susan Mulvihill gets trapped by new hobby - mothing | Backyard mothing | Backyard Mothing |
| Sept. 6, 2020 | Keeping track of this year's ups and downs can improve next year's harvest | Garden analysis | Sept. Vegetable Garden Tour & Prune Tomatoes #3 |
| Sept. 13, 2020 | Multiple ways to preserve the harvest to enjoy later | Preserving the harvest | Preserving the Harvest |
| Sept. 20, 2020 | New vegetable gardeners share triumphs and tribulations | New vegetable gardeners | Smoky update |
| Sept. 27, 2020 | Time to get garlic cloves in the ground for next year's harvest | How to grow garlic | How to Plant & Grow Garlic |
| Oct. 4, 2020 | Go beyond tulips for beautiful bulbs | Spring bulbs | Fall tasks |
| Oct. 11, 2020 | (columns done for season but videos continuing) | | Dividing Perennials in the Fall |
| Oct. 18, 2020 | | | Keep Cucumbers Fresh |
| Oct. 25, 2020 | | | October garden tasks |
| Nov. 1, 2020 | | | Harvest Root Crops |
| Nov. 8, 2020 | | | Plant Spring Bulbs in the Fall |
| Nov. 15, 2020 | | | November Garden Update |
| Nov. 22, 2020 | | | Prune Raspberries |
| Nov. 26, 2020 | | | Fall & Winter Beauty |
| Dec. 6, 2020 | | | Make A Holiday Wreath and Swag |
| Dec. 13, 2020 | | | How to grow Amaryllis bulbs |
| Dec. 20, 2020 | | | Snow Day |
| Dec. 27, 2020 | | | Seed Catalogs |