EVENTS
Guided Tours
SA-SU|Denver Botanic Gardens hosts a tour of its 45 gardens, 11 a.m.-1 p.m.|1005 York St., 720-865-3500
Old Garden Rose Sale
SA|More than 400 winter-tolerant root roses, 8 a.m.-4 p.m.|Assumption Greek Orthodox Cathedral of Denver, 4610 E. Alameda Ave., 303-237-3117
Plant Sale
SA|The Happy Transplants Garden Club hosts its annual sale featuring perennials, annuals, vegetables, herbs, Xeriscape plants, 9 a.m.-3 p.m.|Free|West 72nd Avenue and Irving Street, 303-423-2923 |WESTMINSTER
Wildflower Awareness Week
SA-SU|Denver Botanic Gardens hosts horticulturist-led tours and educational activities of native plants, 9 a.m.-3 p.m. |Denver Botanic Gardens, 1005 York St., 720-865-3500
Plant Society Show
TH-June 2|Colorado Watercolor annual show |Denver Botanic Gardens, 1005 York St., 720-865-3500
Bedding Plant Sale
-JUNE 1|Warren Tech High School Garden Center, 8 a.m.-5 p.m. Monday-Friday and 8 a.m.-noon Saturday|13300 W. Second Place, 303-982-8586|LAKEWOOD
Greenhouse Tour
10 a.m., noon and 3 p.m. Saturdays; noon and 3 p.m. Sundays; 2 p.m. Monday-Friday|Echter’s, 9170 W. 52nd Ave., 303-424-7979|ARVADA
CLASSES
Small Garden Spaces
SA|Gather information on great plants for smaller spaces, 11 a.m.-noon |Tagawa Gardens, 7711 S. Parker Road, 303-690-4277, tagawagardens.com|AURORA
Indestructible Plants
SA|Learn to garden in tough situations, 1-3 p.m. Registration required|Timberline Gardens, 11700 W. 58th Ave., 303-420-4060, timberlinegar dens.com| ARVADA
Urban Gardening Series
SU|Jefferson County Colorado State University Cooperative Extension program offers gardening tips 10 a.m.-2 p.m. through Oct. 8. This week’s program: Container vegetables |West Alaska Drive at Belmar, 303-742-1520|LAKEWOOD
Composting basics
SU|Denver Urban Gardens, 9-11 a.m. Register at least one week before class |Free|East 13th Avenue and Colorado Boulevard, 720-865-6810
Native in the Garden
W|Explore ways to embrace native plants and the natural ecosystem in your garden, 7-8:30 p.m. |$21|Denver Botanic Gardens, 1005 York St., 720-865-3580
Herb Container Gardens
TH|Learn to grow herbs in your garden, 6:30-9 p.m. Bring cutting knife or shears, 14-16 inch container and potting soil. Registration required|$39, $20 material fee|Hudson Gardens & Event Center, 6115 S. Santa Fe Drive, 303-797-5722, hudsongar dens.org|LITTLETON
UPCOMING
Rocky Mountain Bonsai Society
MAY 27|Hosts Japanese garden demonstrations|Denver Botanic Gardens, 1005 York St., 720-865-3500
Composing Landscapes
JUNE 22-24|Colorado State University offers gardening classes and tours for beginning and experienced gardeners. Registration due June 1 |$100 per day, $150 both days|720-733-6935|FORT COLLINS
Mail info to Garden Calendar, The Denver Post, 1560 Broadway, Denver, CO 80202; fax to 303-820-1679; e-mail living@denverpost.com.

