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Nectar, pollinator, butterfly, monarch waystation

       -- What’s the right garden?

White Peacock butterfly on Pink Mint (Photo by Anita Westervelt)

Published February 3, 2024, in the McAllen Monitor

Story and photos by Anita Westervelt

By whatever name, nectar, pollinator and butterfly gardens result in mostly the same: attracting colorful butterflies, bees and beneficial garden insects. Butterflies, moths, and other insects get energy from sugar-rich nectar. Nectar attracts pollinators like bees, flies, wasps and beetles that drink nectar and in addition, transfer pollen, a protein, from flower to flower. Hummingbirds draw nectar from tubular shaped flowers and are pollinators, too. In some geographical areas, bats pollinate flowers and fruit plants. Grasses, cereal crops, various trees, vegetables and yucca are wind pollinated.

A butterfly garden also includes specific plants that feed caterpillars, called larval host plants. For instance, cow pen daisy, Verbesina encelioides; frostweed, Verbibesina microptera, and sunflowers are host plants for bordered patch butterflies; passion flowers, Passiflora species, are hosts for fritillary and heliconian butterfly caterpillars; Adelia vasseyi is host to Mexican bluewing.

Cow Pen Daisy with Fly and Katydid. (Photo by Anita Westervelt)

Southern Dogface butterfly caterpillar on Dalea Scandens. (Photo by Anita Westervelt)

The big yellow sulphur butterflies use a variety of plants in the legume family, including sennas; white peacock butterflies use frog fruit, Phyla nodiflora; Ruellia nudiflora; and herb-of-grace, Bacopa monnieri, plants. Dalea scandens hosts Southern dogface caterpillars; and Texas torchwood, Amyris texana; Colima, Zanthoxylum fagara, and other citrus family plants feed giant swallowtail caterpillars.

An easy start to a beneficial garden follows a concept promoted by Doug Tallamy, University of Delaware professor and author of several popular books, including “Nature’s Best Hope -- Restoring Nature’s Relationships.” He proposes “combined yards across the nation into the largest nature park” in the United States. Every yard would incorporate a four-foot square area for geographically native plants of staggered heights, bloom times and color variety. A model that can benefit yards in the Rio Grande Valley, using locally native plants.

Another type of garden has specific guidelines for certification: the Monarch Waystation. A concept of the nonprofit organization, Monarch Watch, it must include larval plants for monarch butterflies. Monarch caterpillars feed exclusively on milkweed plants. Different geographical areas support different milkweed species. The best for the Rio Grande Valley is zizotes milkweed, Asclepias oenotheroides. For Monarch Waystation criteria visit

A path through St. George's Monarch Waystation in Pharr. (Photo by Anita Westervelt)

Tarantula Hawk Wasp pollinating Zizotes Milkweed. (Photo by Anita Westervelt)

Monarch butterfly on Crucita. (Photo by Anita Westervelt)

I love butterflies, so I try to have nectar plants blooming during each season. Some plants, like winter-blooming pink mint, Stachys drummondii, are busy with numerous butterflies through January and February. The plants are prolific re-seeders and maintenance free. They attract butterflies and interesting pollinator varieties of bees, wasps, flies, moths and other bugs.

Pink Mint. (Photo by Anita Westervelt)

Some plants may bloom in all seasons, like snapdragon vine, Maurandella antirrhiniflora, a delicate looking but hardy vine; tropical sage, Salvia coccinea; yellow sophora shrub, Sophora tomentosa; and Turk’s cap, Malvaviscus drummondii, that can grow in shade; and all of which attract hummingbirds, too. Scorpion’s tail, ​Heliotropium angiospermum, is another excellent butterfly favorite that may bloom nearly all year.

Common Buckeye butterfly caterpillar on Snapdragon Vine. (Photo by Anita Westervelt)

Tropical Sage. (Photo by Anita Westervelt)

Dense shrubby plants, like Mexican hat, Ratibida columnifera, provide nighttime sheltering for insects as does crucita, Chromolaena odorata. Also called fall blooming mistflower, crucita is a bushy shrublike plant and one of the best nectar plants in all of South Texas. Both crucita and frostweed are fall bloomers and draw many species of butterflies, insects and pollinators.

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Side bar

Local Texas Master Naturalists offer native plant guidance

By Anita Westervelt

The South Texas Border Chapter of the Texas Master Naturalist designed and maintains a certified Monarch Waystation next to the patio area of St. George Orthodox Church Meeting Hall, in Pharr, where the chapter’s monthly meetings are held.

Meetings are on the third Monday of the month and are free and open to the public. Social begins at 6 p.m. and a program, featuring a guest speaker presentation is at 6:30 p.m.

The chapter also offers a speakers’ bureau of more than 50 topics about the Rio Grande Valley’s unique habitat and ecosystem, including building nectar, pollinator and butterfly gardens and planting to attract birds and hummingbirds. Presentations also include topics about birds, butterflies, migration, native plants and trees, creatures of the night, dark sky initiative, marine life, Texas archaeology, shrimping the Gulf of Mexico, and from bats and beachcombing to water features on a budget.

Presentations are free to local community organizations and local Winter Texan clubs and groups for non-political events and meetings. Many are designed to be 50 minutes and electronically projected to large audiences or tailored to 20-minute stand-up information programs allowing for questions and answers.


Texas Master Naturalist is an educational volunteer program of the Texas A&M AgriLife Extension Service, Texas Sea Grant, and Texas Parks and Wildlife. AgriLife Extension Agent Tony Reisinger and Estero Llano Grande State Park Superintendent Javier de Leon are chapter sponsors.

For information about the chapter visit The speakers’ bureau list is under the Projects link. For a list of local native plant growers and nurseries, field guides, handbooks and planting guides for Rio Grande Valley native plants, visit: Follow us at

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