Past Events

Below is a partial list of past lectures and events.

  • February 21, 2025

    Pine Knot Farms Hellebore Festival (Day 3)

    Pine Knot Farms Hellebores
    681 Rock Church Rd
    Clarksville, VA 23927

  • February 17, 2025

    Winter Wonderings: Woodland Treasures

    Webinar/Zoom presentation

  • February 15, 2025

    Pine Knot Farms Hellebore Festival (Day 2)

    Pine Knot Farms Hellebores
    681 Rock Church Rd
    Clarksville, VA 23927

  • February 14, 2025

    Pine Knot Farms Hellebore Festival (Day 1)

    Pine Knot Farms Hellebores
    681 Rock Church Rd
    Clarksville, VA 23927

  • February 8, 2025

    Woodland Treasures

    Oak Spring Garden Foundation
    1776 Loughborough Lane,
    Upperville, VA 20184 USA

  • February 6, 2025

    Woodland Treasures

    Calgary Rock and Alpine Garden Society
    Webinar/Zoom presentation

  • February 1, 2025

    Unusual Bulbs for the Garden and Greenhouse

    Oak Spring Garden Foundation
    1776 Loughborough Lane,
    Upperville, VA 20184 USA

  • January 13, 2025

    Unusual Bulbs for the Garden and Greenhouse

    East Lancashire Group of the Alpine Garden Society
    Zoom Presentation

  • October 10, 2024

    Fall Bulbs – Untapped Treasures

    Ladew Topiary Gardens
    3535 Jarrettsville Pike
    Monkton, Maryland 21111

  • April 13, 2024

    Unusual Bulbs for the Garden and Greenhouse

    Delaware Valley NARGS Chapter
    Trinity Presbyterian Church
    1120 Darley Road
    Wilmington, DE

  • February 10, 2024

    Woodland Treasures Workshop

    Oak Spring Garden Foundation
    1776 Loughborough Ln
    Upperville, VA

  • January 30, 2024

    Woodland Treasures

    UK Hardy Plant Society Shade and Woodland Group
    Zoom Presentation

  • January 27, 2024

    Unusual Bulbs for the Garden and Greenhouse Workshop

    Oak Spring Garden Foundation
    1776 Loughborough Ln
    Upperville, VA

  • November 2, 2023

    Following the Pilgrims – Snowdrops and Companion Plants in the NE USA

    UK Hardy Plant Society Snowdrop Group
    Zoom Presentation

  • October 30, 2023

    All About Cyclamen

    GardenDC Podcast
    Episode 169

  • April 6, 2023

    Unusual Bulbs for the Garden

    Greater Rochester Perennial Society
    1200 South Winton Road
    Rochester, NY 14618

  • March 26, 2023

    Woodland Treasures

    East Lancashire Group of the Alpine Garden Society
    Lancashire, England
    Zoom Presentation

  • January 21, 2023

    Unusual Bulbs for the Garden and Greenhouse Workshop

    Oak Spring Garden Foundation
    1776 Loughborough Ln
    Upperville, VA

  • November 8, 2022

    Unusual Bulbs for the Garden

    Horticultural Society of Maryland, Cylburn Arboretum
    Baltimore, MD

  • May 1, 2022

    Trillium Walk

    Henry Foundation for Botanical Research
    Gladwyne, PA

  • March 5, 2022

    Unusual Bulbs for the Garden

    Bank to Bend
    Winterthur Garden
    Winterthur, DE

  • September 20, 2021

    Unusual Bulbs for the Garden

    Massachusetts Gardening Symposium on Specialty Gardens
    Massachusetts Master Gardener Association

  • July 20, 2021

    Woodland Treasures

    East Surrey Group of the Alpine Garden Society
    Epsom, UK
    Zoom Presentation

  • April 12, 2021

    Unusual Bulbs for the Garden

    Oakville Horticultural Society
    Oakville, ON, Canada

  • March 6, 2021

    Woodland Treasures and Unusual Bulbs for the Garden

    Berkshire NARGS Chapter
    Berkshire Botanical Garden
    Stockbridge, MA

  • January 18, 2020

    Woodland Treasures

    Piedmont NARGS Chapter at the J.C. Raulston Arboretum
    Raleigh, NC

  • October 17, 2019

    Woodland Treasures

    Morris Arboretum of the University of Pennsylvania
    Philadelphia, PA

  • March 27, 2019

    Woodland Treasures

    Hardy Plant Society of New England Connecticut Chapter
    The Solomon Welles House
    Wethersfield, CT

  • March 2, 2019

    Treasures for Shady and Not-So-Shady Gardens

    Guilford Horticultural Symposium
    Paul J. Ciener Botanical Garden
    Kernersville, NC

  • February 7, 2019

    Woodland Treasures

    Piedmont Landscape Association Seminar
    Paramount Theater
    Charlottesville, VA

  • October 25, 2018

    Woodland Treasures

    Ladew Topiary Gardens
    Monkton, MD

  • October 21, 2018

    Fall Bulbs – Untapped Treasures

    Watnong NARGS Chapter
    Frelinghuysen Arboretum
    Morristown, NJ

  • October 20, 2018

    Fall Bulbs

    American Hemerocallis Society
    Fall Symposium at the Radisson
    Camp Hill PA

  • October 9, 2018

    Orchids and Companion Plants in Mid-Atlantic Gardens

    Delaware Orchid Society
    Wilmington, DE