“Endless Summer” is the theme of this year's Butler County Fall Garden Seminar set Sept. 28.

The seminar, conducted by the Penn State Extension Master Gardeners, will be from 8:30 a.m. to 3 p.m. in the Phillips Room at Tanglewood Center, 10 Austin Avenue, Lyndora, and encompass an array of topics applicable to four seasons of garden interest.

Following a continental breakfast, Mary Alice Koeneke and Diane Walczak, Butler County Master Gardeners, who are frequent contributors to the Butler Eagle, will discuss backyard pollinator certification. Their presentation includes how to attract pollinators and certify your garden as pollinator friendly.

Laura Hlusko will present plants for winter gardens featuring trees, shrubs and ornamental plants to give color, texture and beauty throughout the winter months. Hlusko is a Mercer County Master Gardener with bachelor's degrees in both plant science and agricultural sciences from Cornell University.

Laura Demeter will discuss ferns and ornamental grasses. She holds a doctorate in horticulture from Ohio State University and is a professor of horticulture at Ohio State ATI in Wooster, Ohio. Demeter travels nationally to speak on horticulture-related topics.

Her lecture on “faithful ferns,” covers the biology of ferns and their usage in gardens and landscapes. Demeter's second topic, ornamental grasses, elevates ornamental grasses from backdrop to main stage with their color, movement and texture.

Completing the seminar is a lecture by Len Lehman on miniature daffodils. He will share how to use miniature daffodil varieties in the landscape and containers for beautiful spring blooms.

Lehman has a bachelor's degree in science education with an master's degree in entomology. He is a member of numerous garden clubs, including the Allegheny Chapter of the North American Rock Garden Society, Men's Garden Club of Pittsburgh and the Daffodil and Hosta Society of Western Pennsylvania.

The seminar program fee of $50 a person includes a continental breakfast and lunch. Bulbs, seeds and garden-themed gifts will be available for purchase. Registrations are due Sept. 20 and walk-ins will not be accepted.

Register online at https://extensionpsu.edu/endless-summer-fall-garden-seminar or call toll free 1-877-345-0691 from 8 a.m. to 5 p.m. Monday through Friday.