How to Build a Pollinator Garden That Works

A lot of "pollinator gardens" are just a handful of random wildflowers scattered in a corner. They look messy by July, produce flowers for maybe six weeks, and then the gardener wonders why the butterflies stopped showing up. A garden that actually supports pollinators needs to do one thing above all else: bloom continuously from early spring through hard frost.

The three rules

Every working pollinator garden follows three principles. First, something must be blooming at all times from March through October. Pollinators need food for eight months, not eight weeks. Second, plant in groups. A single coneflower is invisible to a bee flying by. A patch of seven is a landing strip. Third, skip the double-flowered cultivars. Those extra petals look nice to humans but they block access to nectar and pollen. Single, open-faced flowers are what pollinators actually need.

Spring: March through May

Columbine is one of the first perennials to bloom and hummingbirds seek it out immediately. The long spurred flowers are perfectly shaped for hummingbird beaks. Allium sends up purple globes that bumble bees swarm in May. Catmint starts blooming in late May and will not stop until September. It is the single best pollinator plant for the average garden because it covers such a long window.

Early bulbs matter too. Crocus and grape hyacinth are critical food sources for bees emerging from winter dormancy. Do not deadhead them. Let the bees have every last drop of early nectar.

Summer: June through August

This is when the garden should be at peak capacity. Coneflower is the workhorse. Its flat landing pads are perfect for butterflies, and bees work the central cones systematically. Bee Balm lives up to its name. Hummingbirds go berserk for the tubular red flowers. Plant it where you can watch from a window.

Lavender attracts every pollinator species you can name. Bees, butterflies, hoverflies, even wasps. Salvia runs all summer with hummingbird-magnet purple spikes. Blanket Flower blooms from June until frost with zero maintenance. Yarrow provides flat-topped flower clusters that smaller pollinators like hoverflies and parasitic wasps prefer.

Liatris sends up tall purple bottle-brush spikes in July that monarch butterflies cannot resist. It blooms from the top down, which is unusual and visually striking. Cardinal Flower is the best hummingbird plant for moist or partly shaded spots. Its scarlet spikes practically vibrate with hummingbird activity.

Fall: September through frost

Most pollinator gardens fail here. The gardener plants spring and summer bloomers and forgets that pollinators need fall food too, especially migrating monarchs. Joe Pye Weed is the solution. Its massive mauve flower heads tower over everything in August and September, drawing butterflies from across the neighborhood.

Aster is the last major nectar source before winter. Plant New England aster for the best pollinator value. Its purple daisies are covered in bees and butterflies in October when everything else is done. Sedum rounds out the fall with flat flower heads that age from pink to russet. Late-season bees practically live on sedum in October.

Black-Eyed Susan bridges the gap between summer and fall, blooming from July through October. Leave the spent seedheads standing through winter for goldfinches.

The starter plan

If you are starting from scratch, here is a ten-plant pollinator garden that covers the full season: columbine (spring), catmint (spring to fall), coneflower (summer), bee balm (summer), lavender (summer), liatris (midsummer), black-eyed susan (summer to fall), joe pye weed (late summer), aster (fall), and sedum (fall). Plant each in groups of three to five. You will have pollinators from April through November.

Skip the wildflower seed mixes from the hardware store. Most of them contain annuals that bloom once and disappear. The perennials listed above come back stronger every year and build a permanent food source that pollinators can rely on.

Build your pollinator garden

Use our garden planner to build a pollinator garden with continuous bloom coverage. Filter by the pollinator trait on the browse page to see all pollinator-friendly plants in your zone.