The 3 3 3 rule for bees says you plant three plants that bloom in each of three seasons, with three of each kind. That means nine plant types and at least 27 plants total in your yard. The rule keeps bees fed from early spring through late fall with zero food gaps.
I used this bee garden planting rule in my own yard two years back. Bee counts rose week by week as the seasons rolled on. Spring brought queen bumblebees. Summer added native sweat bees and honey bees. Fall hosted late foragers stocking up for winter.
Why does the rule work so well? Bees need food from the day queens wake up in March to the last warm day in October. A yard that blooms for just one short month leaves bees with nothing to eat the rest of the year.
Penn State Center for Pollinator Research backs up this idea with field data. They note three main bloom windows that match the rule. March to May, June to August, and September to October each need their own set of blooms in your yard.
Why three plants per kind? Bees spot patches better than single plants. Three of the same type in a small group acts like a sign that says 'food here.' One lone plant just gets lost in the mix of other yard stuff.
Spring Trio (March-May)
- Wild columbine: Red and yellow nodding blooms feed early bumblebee queens and ruby-throated hummingbirds in March and April.
- Pussy willow: One of the first blooms of the year that gives bees their first pollen source before most plants wake up.
- Golden Alexander: Yellow flat-top clusters feed swallowtail babies, mason bees, and small native bees from late spring on.
Summer Trio (June-August)
- Bee balm: Tube blooms in red, pink, or purple draw in bumblebees, hummingbirds, and swallowtail butterflies for weeks.
- Purple coneflower: Big purple daisy heads feed dozens of native bee types plus painted ladies and goldfinches that eat the seeds.
- Native milkweed: Both a nectar bar and the only monarch host plant in North America for a true double-duty plant.
Fall Trio (September-October)
- Goldenrod: Late-bloom yellow plumes feed bees that stock up for winter and fuel monarchs flying south for the cold months.
- New England aster: Purple blooms with yellow centers feed bees right up to the first hard frost in your zone.
- Sneezeweed: Yellow daisy heads bloom from August into October and feed bees that have run out of other choices.
How do you start your own three season bee garden? Pick three plants from each season list above. That gives you nine types total. Buy three of each plant for 27 plants in all. You can do this slow over a year or two if cash is tight.
Plant each group of three close to each other. Do not spread them out across your yard. A tight patch works best for bee traffic and your own eye too. The patch looks more wild and less like a one-off plant stuck in the lawn.
Pair your patches by season for a nice flow. Put spring plants near your back door so you see them first thing. Park summer plants in the main view from your window. Save fall plants for the back of the bed where they can shine when the rest of the yard fades out.
Skip pesticides for this pollinator planting strategy to work well. Even mild bug sprays can wipe out bees you spent months drawing in. Mow your lawn less too. Tall grass and clover feed bees just fine. Let your yard breathe a bit for true bee friendly planting.
Read the full article: 25 Best Pollinator Plants for Your Garden
