Gardening for Butterflies

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    Variable checkerspot butterflies need nectar for food while they search for the appropriate host plant to lay their eggs on. Photo: Marc Kummel

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    Butterflies will often deposit their eggs on the underside of a leaf where they are more protected. Photo: Marc Kummel

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    Caterpillars will consume several plants but their principal host plant is sticky monkeyflower. Photo: Marc Kummel

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    An adult butterfly will emerge from the chrysalis formed by the caterpillar. Photo: Marc Kummel

The lovely winged jewels we call butterflies are the pioneering and reproductive life stage of an insect that goes through 3 other distinct stages: eggs, larvae (caterpillars), and pupae (chrysalids). The adult stage, the butterfly, is technically called the imago. About eighty percent of all insects are holometabolus, which is a way of partitioning resources, so that each life stage does not compete with any other. Your habitat garden needs to provide for the needs of every life stage in order for there to be butterflies.

The purpose of a butterfly’s often short life “on the wing” is simply to find a mate and the host plant on which to lay the eggs of the next generation. They will be looking for the plant that their hatched larvae will eat; many butterfly species are extremely choosy about what plant that is. The adult butterfly will need nectar for energy as she hunts for her special host plant. If you are interested in attracting a specific type of butterfly, check the handout at right, Butterfly Larval Host Plants, to learn some of the appropriate plants.

To get a good indication of which butterfly species are already present in the general area of your garden, start with specimens of flowering plants that are noted as really good nectar sources, and then observe the butterflies that come into your garden to feed. Buddleias, verbenas, and lantana, though not native, bloom for a long period of time and are loved by butterflies. Flowers in the composite family (aster, sunflower, or daisy), offer a landing pad when fully opened, which is important for the larger butterflies like the Monarchs. Flowers in the composite family are composed of hundreds of individual disc flowers, and petal flowers, and each of these tiny flowers provides nectar and pollen, thus providing a lot of food energy in one place!  If you can, allow “managed” populations of weeds such as Italian thistle, English plantain, and cudweeds, which are favored larval host plants of some beautiful butterfly species.

Butterflies are not important pollinators of plants, but their beauty certainly adds to the charm of any garden!

First Annual Habitat Garden Summer Camp

First Annual Habitat Garden Summer Camp

Home Ground Habitats in Novato is excited to announce our first annual Habitat Garden Summer Camp for children. July 8-12 2024 9:00am-1:00pm Open to 2nd through 5th Grades FOR MORE INFORMATION AND TO REGISTER: click here  ...

The Nursery at Emerisa Gardens

FOR: Narrow-leaf and showy milkweed (seasonal availability); also many native nectar plants, both annual and perennial. Open Mar–Nov.