Pollinator gardens attract insects that pollinate your crops. They also tend to look lovely.
Similar to butterfly gardens, pollinator gardens use flowers and other plants to attract and provide for pollinators.
What are pollinators?
Pollinators are mostly insects, such as bees and butterflies, that carry pollen from one flower to another, resulting in fertilization and fruit production. Bats, birds, lizards, and even people can be pollinators, as well. Most pollinator gardens use insectary plants to attract these garden helpers.
What are insectary plants?
Insectary plants are those that provide food, shelter, and/or egg-laying sites for beneficial insects at various life stages. Those beneficials may be predators, pest parasites, or pollinators. The flowers that provide this service are usually globe-shaped, such as chives and onions, umbrella-shaped or flat-topped umbellifers, as in seen in carrot and cilantro plants that have been allowed to go to seed. Depending on your region’s pollinator species, the insectary plants suited to your area may be tall or short or both, but most are brightly colored.
As convenient as generic pollinator plants lists are, you will have a more effective pollinator garden if you take the time to identify pollinators native to your area. You can do this by searching online for “pollinators in [my town/state]”, and by contacting your local native plants society, Master Gardeners, and universities. In California, the following native plants attract and provide for pollinators:
*Those marked with an asterisk are recommended by the Xerces Society for Invertebrate Conservation. In addition to adding pollinator plants to your landscape, there are other actions you can take to create a more successful pollinator garden.
While you generally want to keep salt as far away from your garden as possible, there are exceptions. Using a damp salt lick to provide minerals and moisture for bees and butterflies is one of those exceptions. If you have an area that stays damp, simply add salt or wood ashes to the mud. Otherwise, you can put out a dish of slightly salty water. Sea salt contains more important micronutrients than table salt, but table salt is better than nothing. Just remember that salt will damage nearby plants.
Plant for variety
Pollinators are active, in most regions, from early spring through late fall. Ensuring that your landscape includes a variety of insectary plants during that time frame will go a long way toward attracting and supporting valuable pollinators. That variety includes clumps of native plants, suited to your microclimate, and some night-blooming plants that provide for moths and bats.
I use a spreadsheet that lists months across the top and a rainbow of colors down the side to document what is blooming, throughout the year, in my landscape. I add to it as I notice or add new plants. This way, I can see when there are gaps in flower production. Since those flowers provide pollen and nectar, the more I have, the better off my pollinators will be. [The file is too large to share here, but you can email me if you would like a copy.]
Evolution is a relatively slow process. Many of our modern hybrids, especially those with ‘doubled’ flowers, have had their fragrance, nectar and pollen bred right out of them. They may look nice, but that’s all they have to offer.
Quit the chemical habit
Broad-spectrum herbicides, insecticides, fungicides, and pesticides have no place in your pollinator garden. Even those advertised as “safe” can disrupt the breeding, feeding, and existence of beneficial insects. They are probably not very good for us, either. Instead of chemicals, practice least damage Integrated Pest Management (IPM). If you absolutely must use chemicals, apply them at night, when most pollinators are not active.
Dead limbs can be good
Dead branches and dead trees provide nesting sites for native bees. Stumperies also create habitat and food for a variety of birds and other insects. Just make sure your dead tree does not create a safety issue. Trees are extremely heavy.
Your hummingbird feeder provides nectar for far more than just hummingbirds. Chickadees, wrens, and orioles may also enjoy a sweet sip every now and then. And so will many pollinators. The 1:4 sugar to water ratio used in hummingbird feeders is fine for many beneficial insects, too. Just be sure to wash your hummingbird feeder with hot, soapy water once or twice a week to avoid mold and the spread of disease.
Setting aside just a little space in your landscape for a pollinator garden can profoundly increase the number of butterflies, native bees, and other beneficials you see each year. And they could really use our help these days.
You can grow a surprising amount of food in your own yard. Ask me how!
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