Attracting Pollinators

to Your Garden Using

Native Plants

Rufous Hummingbird
feeding on Orange Honeysuckle
(Lonicera ciliosa)

Native Plant and Pollinator

Gardening Guide

Why Should We Care?

Many of us enjoy the beauty of flowers in our

backyard and community gardens. Growing native
plants adds beauty and important habitats for
wildlife, especially for pollinators. Even a small
backyard garden can make a big difference. Gardening
connects us to nature and helps us better understand
how nature works. This guide will help you create a
pollinator-friendly garden.

Keystone Species

What is pollination?
What do
hummingbirds,
butterflies and
bees have in
common?
They all pollinate
flowering plants.

Pollination is the process of moving pollen from one

flower to another of the same species, which produces
fertile seeds. Almost all flowering plants need to be
pollinated. Some plants are pollinated by wind or water,
and some are even self-pollinating. However, most
flowering plants depend on bees,
butterflies, and other animals
for pollination.
Why use native plants in your garden?

Pollinators have evolved with native

plants, which are best adapted to the local
growing season, climate, and soils. Most
pollinators feed on specific plant species
hummingbirds sip nectar from long,
tubular honeysuckle flowers, while green
sweat bees prefer more open-faced sunflowers.
Non-native plants may not provide pollinators with
enough nectar or pollen, or may be inedible to
butterfly or moth caterpillars.

When a bumble bee feeds on the nectar and pollen of

huckleberry flowers, it pollinates the flowers, which will
produce fruit eaten by songbirds, grizzly bears, and
dozens of other animals, including humans. We call
the bumble bee and other pollinators keystone species
because they are species upon which others depend.
Pollinators are vital to maintaining healthy
ecosystems. They are essential for plant reproduction,
and produce genetic diversity in the plants they pollinate.
The more diverse plants are, the better they can weather
changes in the environment.
Best of all, pollinators such as hummingbirds, bees,
and butterflies are beautiful and fascinating.
Pollinators need our help.
Biologists fear several butterfly and bumble bee
species have disappeared from parts of their range,
including the once common western bumble bee.
Why are pollinators in trouble? It appears
that habitat loss and pesticide
poisoning account for much of
the population declines.
We can do our part to
support pollinators by
creating pollinatorfriendly gardens and
protecting wildlife
habitat.

Insects and other

animals pollinate
one-third of the
food we eat all
kinds of fruits,
vegetables, grains,
nuts, and beans.
Even coffee and
chocolate! The
economic value of
insect pollination
worldwide has
been estimated at
$217 billion.

Western Bumble Bee on

Maximilian Sunflower
(Helianthus maximiliani)
Half-black Bumble Bee
and penstemon flower
1

Tongue lengths
vary in bee
species. Long
tongues fit long,
tubular flowers
like penstemons
and short tongues
fit short-tubed
flowers like
sunflowers.

The European
Honeybee
(Apis mellifera)
is a social bee.

Tomatoes,
peppers, and
cranberries require
a special bumble
bee behavior
called buzz
pollination, in
which the bumble
bee grabs the
flower in her jaws
and vibrates her
wings to dislodge
pollen trapped
in the flowers
anthers.

Who Are Our Pollinators?

Social Bees

Bees, butterflies, moths, hummingbirds, beetles,

wasps and even flies pollinate flowers, but bee species
pollinate flowers more often than any other group,
including birds and butterflies.

Bumble Bee (Bombus)

Busy as a Bee
Bees are by far the most effective pollinators because
they feed only on flowers. Flowers attract and reward bees
for their pollination service. Bees gather two kinds of foods
from flowers: sugar-rich nectar to fuel their flight and
protein-rich pollen, or bee bread, to feed their young brood.
Bees use their tongues to lap or lick up nectar from flowers.
Bees are a diverse group of insects that include four
thousand species native to North America. They can be
organized into two groups based on their nesting lifestyle:
solitary or social. About three-quarters of native bees in
North America are solitary nest builders.
Nesting Lifestyles

There are forty-seven species of bumble bees in

North America. Bumble bees are the B-1 bombers of bees.
Because of their chunky size, they can fly in cooler
temperatures and at lower light levels than many other
bees including the honeybee. Thus, queen bumble bees
are the earliest to emerge in spring in search of the first
flowers of the season.
Lifestyle: An individual queen starts a colony in the spring
after she wakes from hibernation. She produces wax from
glands in her body to make pot-like cells in which to lay
her eggs and to store nectar and pollen for her brood.
The young emerge in a few weeks as female worker bees.
As fall arrives, most bees die and only newly-mated queens
overwinter to establish new colonies.

Pollen
basket

Bumble bees groom

pollen from their
body hairs into
pollen baskets,
or corbicula, for
transport to the
nest.

GARDENING Golden currant, serviceberry, and

chokecherry flower early in March and attract bumble
bees and mason bees.
Half-black Bumble Bee
(Bombus vagans) on
Rocky Mountain Bee Plant
(Cleome serrulata)

Solitary leaf-cutter
bee (Megachile) nest

Social nesting
bumble bee (Bombus)

ARDENING
G

Bees prefer blue, purple, and yellow

flowers, and sweet fragrances. They see ultraviolet
colors found on the flowers such as buttercups and
black-eyed Susans.

Green Sweat Bee

(Agapostemon)

Leaf-cutter Bee
(Megachile)

Solitary Bees

Solitary Bees

Green Sweat Bee

(Agapostemon)

Orchard Mason Bee (Osmia lignaria)

These small,
brilliantly
colored, metallic
green bees are hard
to miss in a garden.
Theyre commonly
called sweat bees because they land on
people to lick up salty human sweat.

Green Sweat Bee

(Agapostemon)
Lifestyle: Some sweat bees nest socially, on Gaillardia
but most are solitary ground-nesters.
(Gaillardia aristata)

A female
Leaf-cutter Bee
will cut circular
leaf pieces to line
her nesting
chambers.

Much of what we know about the social

behavior among insects has been learned from sweat bees
because they show different degrees of sociality. In some
species, females build and nest alone; in others, females
nest communally and share a common nest entrance but
construct individual nest cells (like apartment buildings.)

These robust, metallic blue bees most commonly

appear early in spring when trees and shrubs flower.
Females carry pollen on the undersides of their abdomens.
Lifestyle: Orchard Mason bees build nest cells in
pre-existing narrow tunnels such as beetle burrows in
trees, crevices between stones, hollow centers of plant
stems and abandoned wasp or bee nests. In the nest
tunnel, the female builds a series of horizontal chambers
provisioning each with pollen,
nectar, and an egg and then
seals the chamber with mud.
By the end of summer, the
bee will transform into an
adult in its cocoon and
overwinter in the chamber
until it emerges in spring.

Leaf-cutter Bee (Megachile)

These pugnacious bees carry pollen on
their tummies. Leaf-cutter bees and other
solitary bees seldom sting.

Leaf-cutter Bee
(Megachile) on
Hairy Golden
Aster (Chrysopsis
villosa)
5

Lifestyle: They construct their nests

in tunnels in the ground, under
stones, or in existing holes
in dead wood. A female
bee cuts circular leaf pieces
to line her nest chambers,
which are shaped like
thimbles end to end. In each,
she lays an egg and provisions it with
pollen and nectar for her eggs.
GARDENING Green sweat bees and leaf-cutter bees
like composites Erigeron, Gaillardia, sunflowers, and asters.

GARDENING
Important pollinators of
fruit trees, just 250 mason
bees can pollinate an acre
of apple trees. It would take
10,000-250,000 honeybees
to do the same work.
Mason bees like Penstemon,
Astragalus, and native
flowering trees such as
chokecherry, hawthorn,
and serviceberry.

Orchard Mason Bees (Osmia lignaria)

on Wilcoxs Penstemon (Penstemon Wilcoxii)

Mason bee houses

like this are used
to attract these
important pollinators. (need
caption)

Orchard Mason Bee

(Osmia lignaria)
If you see a bee
carrying pollen on
its belly or hind
legs, its a female
bee.

Planning your garden

think like a pollinator.
Go Native. Pollinators are

best adapted to local, native

plants, which often need less
water than ornamentals.

Bee Patient. It takes time for native

plants to grow and for pollinators to find

your garden, especially if you live far from
wild lands.

Bee Gentle. Most bees will avoid

stinging and use that behavior only in
self-defense. Male bees do not sting.

Bee Bountiful. Plant big

patches of each plant species
(better foraging efficiency.)

Bee Showy. Flowers should bloom in your

garden throughout the growing season.
Plant willow, currant, and Oregon grape
for spring and aster, rabbit
brush and goldenrod
for fall flowers.

Bee Chemical Free.

Pesticides and herbicides kill

pollinators.

Bee Sunny.
Bee Homey. Make

small piles of branches

to attach chrysalis or cocoons.
Provide hollow twigs, rotten logs
with wood-boring beetle holes and
bunchgrasses and leave stumps, old
rodent burrows, and fallen plant
material for nesting bees. Leave dead
or dying trees for woodpeckers.

Bee Aware. Observe

Bee a little messy. Most
Bee Diverse. Plant a diversity of flowering species with
abundant pollen and nectar and specific plants for feeding
butterfly and moth caterpillars.
7

of our native bee species

(70%) nest underground so
avoid using weed cloth or
heavy mulch.

pollinators when you walk

outside in nature. Notice
which flowers attract
bumble bees or solitary
bees, and which attract
butterflies.

Provide areas with

sunny, bare soil thats
dry and well-drained,
preferably with
south-facing slopes.

Bee Friendly.

Create pollinatorfriendly gardens

both at home, at
schools and in public
parks. Help people
learn more about
pollinators and
native plants.

Butterflies

Butterflies
By growing a bounty of native
flowering plants in your garden,
you can attract a variety of the
more than 220 butterfly
species found in Montana.
Two-tailed Tiger Swallowtail
(Papilio multicaudata)

Two-tailed Tiger
Swallowtail
(Papilio
multicaudata)
on Western
Serviceberry
(Amelanchier
alnifolia), its
larval plant.

This large butterfly (up

to 6 wingspan) can be
found from May
through August.
Males can often be
seen patrolling for
females along streams,
canyons and narrow roadways.

Adult Silvery Blue butterflies appear from the end of

April to September. Male butterflies can often be seen
puddling, which is sipping up soil salts and minerals in
mud puddles.
Lifestyle: Female blue butterflies
lay eggs only on lupine and once
they hatch, the caterpillars eat
the leaves, flowers, and seedpods.
They produce a sugary secretion,
or honeydew, which is eaten
by ants.

When disturbed, a swallowtail caterpillar rears

up and extends two red horns (osmeteria) from
its head to frighten off potential predators.

Ants tend and

protect Silvery
Blue caterpillars,
which reward
them with
honeydew.

Silvery Blue
(Glaucopsyche
lygdamus)
Butterflies and
larva feeding on
Silvery Lupine
(Lupinus
argenteus)

Lifestyle: A good pollinator garden

contains food not just for adult
butterflies, but for their caterpillars too.
Female butterflies select specific plants on which to lay
their eggs; this ensures that when their eggs hatch, the
caterpillars will be able to eat the plants leaves while
growing into adult butterflies. Two-tailed Tiger
Swallowtails lay their eggs on ash and
chokecherry leaves.
GARDENING Butterflies favor platform-shaped
sunflowers and asters, but will feed on a diversity of
nectar-rich flowers from violets to serviceberry shrubs.
They prefer red, purple, or yellow flowers with sweet scents.
Butterflies love warm, sunny, and windless weather.

Silvery Blue (Glaucopsyche lygdamus) Butterfly

GARDENING
Blue butterflies feed
on nectar from
red-osier dogwood,
chokecherry and other flowers.
The larvae feed on lupine.
10

Can you tell a

butterfly from
a moth?
Butterflies are
brightly colored
and moths are more
often colored in
muted grays and
browns.

A butterfly
antenna (top)is
a single filament
with a club at the
tip, while a moth
antenna (bottom)
can be broad
and feathery or
tapered to a point.

White-lined
Sphinx Moth
and larvae
(Hyles lineata)
feeding on
Yellow Evening
Primrose
(Oenothera flava)

11

Moths

Hummingbirds

Montana may have as many as 1,800 species of

moths. The exact number is unknown because these
night-flying pollinators often evade detection.

Because hummingbirds specialize on nectar feeding,

they play an important role in pollination. These
colorful, migratory birds serve as a link between
plant populations by visiting flowers and
moving pollen over great distances.

White-lined Sphinx Moth (Hyles lineata)

Although many moth species pollinate flowers, the
sphinx or hawk moth is probably the one most familiar
because its active by day.
Lifestyle: Theyre great flyers and some have tongues
longer than their bodies. These large moths fly upwind,
tracking the airborne fragrance trail to a cluster of flowers.
Their caterpillars, called
tobacco and tomato
hornworms, are well
known to gardeners.

Rufous, Calliope,
and Black-chinned
hummingbirds
breed in Montana.

Rufous
Hummingbird
A tiny jewel of
a bird, the Rufous
Hummingbird fiercely
defends its feeding areas
and will attack much
larger birds including
Great Horned
Owls.
Lifestyle:
Rufous
Hummingbirds nest
in willow-dominated
areas within forested habitats.

GARDENING To attract hummingbirds

to your garden, provide them with nectar
starting in early spring. Its thought that
hummingbirds prefer red-colored flowers;
however, they will feed on any flower
that produces abundant nectar.
GARDENING
Sphinx moths, also called
Hummingbird moths, prefer pale or white flowers that
open in the evening and that have a strong, sweet smell.
They pick up pollen on their legs and wings. Adults nectar
on columbine and honeysuckle. Caterpillars feed on
evening primrose.

Male Rufous
Hummingbird on
Honeysuckle
(Lonicera ciliosa)

Sap wells created by Red-naped Sapsuckers

supply many animals with a quick energy boost.
Hummingbirds need lots of insects (protein) in
their diet, and will nab insects stuck in sap wells.
12

Beetles, Flies and Wasps

Attract Pollinators with these

Native Plants

Flower Beetle (Typocerus)

Heres a sample of the garden-hardy native plants in our

region that attract pollinators.

Beetles present the greatest diversity of insects and

pollinators. Regular flower visitors include soldier beetles
and flower beetles. They feed on pollen and even chew on
flowers, but in this mess and soil pollination process they
pick up pollen and carry it to other flowers.
Flower Beetle
(Typocerus)

GARDENING These beetles are commonly

seen on yarrow and sunflowers.
Flower or Hover Fly (Syrphid)

Flower or
Hover Fly
(Syrphid)

Because theyre so abundant, flies are important

pollinators even though they transport less pollen than
bees. Hover flies mimic bees and wasps in coloration
and behavior to avoid predators.
GARDENING Hover flies feed on the same flowers
preferred by bees, such as golden currant, rabbitbrush,
and sunflowers.
Pollen Wasp (Pseudomasaris)

Pollen Wasp
(Pseudomasaris)

Dont be frightened if you see this wasp, it doesnt

eat insects or bite humans, but seeks out flowers for
pollen. A yellow-jacket look-a-like, pollen wasps can be
identified from other wasps by their clubbed antennae.
Theyre solitary nesters and you might find their hard
mud nests attached to rocks or twigs.
GARDENING Pollen wasps pollinate
penstemons and phacelias.

Common Name

Scientific Name

Common Chokecherry.......... Prunus virginiana

Golden Currant................... Ribes aureum
Red Osier Dogwood............. Cornus stolonifera
Blue Elderberry................... Sambucus cerulea
Lewis Mock Orange............ Philadelphus lewisii
Rubber Rabbitbrush.............Chrysothamnus nauseosus
Western Serviceberry........... Amelanchier alnifolia
Oregon Grape..................... Mahonia repens
Orange Honeysuckle............ Lonicera ciliosa
Beebalm............................. Monarda fistulosa
Bluebunch Wheatgrass........ Pseudoroegneria spicata
Blanket Flower.................... Gaillardia aristata
Yellow Buckwheat................ Erigonum flavum
Clarkia............................... Clarkia pulchella
Blue Columbine................... Aquilegia coerulea
Coneflower.......................... Echinacea angustifolia
Showy Fleabane.................. Erigeron speciosus
Missouri Goldenrod............. Solidago missouriensis
Scarlet Globemallow............ Sphaeralcea coccinea
Hairy False Goldenaster....... Chrysopsis villosa
Dotted Blazing Star.............Liatris punctata
Threadleaf Phacelia............. Phacelia linearis
Scarlet Gilia........................ Gilia aggregata
Maximilian Sunflower......... Helianthus maximiliani
Wilcoxs Penstemon............. Penstemon wilcoxii
Common Yarrow................. Achillea millefolium

13

14

Mourning Cloak
(Nymphalis antiopa)

How do butterflies survive the winter?

Mourning Cloak, Milberts Tortoiseshell, and
Anglewing spend the winter as adults, but
most butterflies overwinter as eggs, caterpillars
or pupae. In your garden, tree cavities, leaf
litter and branch piles shelter over-wintering
butterflies from predators and cold weather.

Lolo National Forest

Building 24, Fort Missoula
Missoula, MT 59804

Text: Susan Reel Design and Illustrations: Nancy Seiler

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