May – June
Aurora Water Conservation. 5/13: Preparing for Your Design Consultation, 6pm; 5/16: Low Water Trees, 9am; 5/21: Xericscape Basics, 5:30pm. Space limited. For locations and to register online visit auroragov.org or, or contact Diana Denwood at (720) 859-4407 or Conservation@AuroraGov.org.
Birdsall & CO. 5/9: Annual Container Planting for Shade Workshop, 10:30-12:30pm. $35 includes plants, bring your 16-inch container & soil. Register by 5/2. 1540 S Broadway, Denver. Info@BirdsallGarden.com. (303) 722-2535.
CO Native Plant Society. 5/23: Myth Busters & Tips for Growing Garden Roses w/Roger Heins. 9am. $15 (free to HPEC mbrs). High Plains Environmental Center, 1854 Piney River Dr, Loveland. Conps.org.
CO Springs Utilities. 5/2: Smart Water-Wise Landscape Design, 9-10:30am; 5/6: Drip Irrigation DIY. 6:30-8pm. Registration req; 5/16: Blue Grama & Buffalo Grass Lawns. 9-10am; 5/20: Water-Wise Vegetable Gardening. 6:30-7:30pm; 5/27: Tour of Tough Plants at the Xeriscape Garden. 4:30 & 5:30pm; 6/3: Updating Your Sprinkler System w/Rebates. 6:30-8pm. Free. Space limited. 2855 Mesa Rd, CO Springs. Csu.org or (719) 668-8232.
Denver Botanic Gardens. 5/1: Passive Solar Greenhouse Growing, 1pm; 5/2: Sustainable Greenhouse Design, 9:30am; Super Small Space Veggie Gardening, 9am; 5/3: Companion Planting, 89:30am; Saving & Adapting Seed to High Altitude, 12:30pm; 5/5: Intro to Xeriscape, 6pm; 5/7: Growing Food in Raised Vegetable Beds, 6pm; 5/13: Tree ID & Selection, 6pm; 5/28: Converting Lawn to Xeriscape, 6pm; 6/6: 3-1/2 Season Vegetable Garden, 9:30am. Mbr/Non-mbr class fees. Register: BotanicGardens.org or (720) 865-3500. 1007 York St, Denver.
Denver Rose Society. 5/14: Plant Seeds, Draw Plants & More w/Curtis Jones. 7pm. Guests welcome. Denver Botanic Gardens-Gates Hall, 1007 York St, Denver. DenverRoseSociety.org.
Denver Urban Gardens-DeLaney Community Farm. 5/16: Preservation for Beginners w/Jonathan Robertson. 10am-noon. $15. Limited to 30. RSVP DUG.org/Delaney-calendar. 170 S Chambers Rd, Aurora. (303) 292-9900.
Denver Urban Homesteading. 5/9: Permaculture w/out Jargon w/Irina Bertini. 2-4pm. $25. Location: Urban homestead of James & Irina Bertini. Registration: DenverUrbanHomesteading.com. (303) 825-0231.
Desert Canyon Farm Open Days. 5/2: Planning, Prepping & Planting a Vegetable Garden 10-11am; 5/3: Plant a Garden to Attract Wild Birds 10-11am; Basic Beekeeping 1:30-2:30pm; 5/9: Caring for, Harvesting & Enjoying Your Vegetable Garden 10-11am; How to Preserve Your Vegetable Harvest 1:30-2:30pm; 5/10: Growing a Garden in Small Spaces 10-11am; Ways to Welcome Pollinators to the Garden 1:30-2:30pm; 5/16: Canning Your Harvest Demo 10-11am; Intro to Heirloom Vegetables 1:30-2:30pm; 5/17: More Beekeeping Insights 10-11am; Medicinal Herbs for the Allergy Season 1:30-2:30pm; 5/23: Choosing Plants for Fairy Gardens 10-11am; 5/24: Peacefully Handling Wildlife Challenges 1:30-2:30pm. 1270 Field Ave, Cañon City.
The Gardens on Spring Creek. 5/16: The Secret Lives of Bees Revealed w/Tom Cavanagh. 10am-noon. $18; $3 disc for mbrs; 5/23: Sprinkler Efficiency w/Eric Olson. 10am. $8; 5/20: Overcoming Common Problems in Your Vegetable Garden w/Bryant Mason. 10am-noon. $18; $3 disc for mbrs. 2145 S Centre Ave, Ft. Collins. fcgov.com/horticulture or (970) 416-2486 for more info and to register.
Harding Nursery. 5/3: A-Z Vegetable Gardening w/Larry Stebbins. 9-10:30am; Ornamental Grasses w/Stephanie Schneider. 11am-noon. 721 N. Powers Blvd, CO Springs. www.HardingNursery.com or (719) 596-5712.
Harlequin’s Gardens. 5/9: Raised Beds 101 w/Bryant Mason. 10am; Top Bar Hives w/Julie Finlay-Ridinger. 1pm; 5/16: Secrets of Growing Great Tomatoes w/Carol O’Meara. 10am; Birds, Bees & Wildlife w/Alison Peck. 1pm; 5/17: Viticulture w/John Martin. 1pm; 5/23: Raised Beds 201 w/Bryant Mason. 10am; Creating/Nurturing Habitats for Pollinators w/Engrid Winlsow. 1pm; 5/30: Living Landscapes w/Alison Peck. 10am; 5/31: Best Fruit Trees for Colo w/Mikl Brawner. 1pm; 6/6: Edible Weeds & Wild Medicinals w/Leslie Lewis. 10am. $15. Pre-registration advised. www.HarlequinsGardens.com for details. 4795-26th St, Boulder. (303) 939-9403.
Hudson Gardens. 5/2: Rose Pruning Workshop, 9am-noon. $27 mbr/$30 non-mbr. Space limited, registration req. shop.hudsongardens.org or (303) 797-8565 x306. 6115 S Sante Fe Dr, Littleton.
Phelan Gardens. 5/6: Fruits for the Front Range w/Monica Phelan. 6:30-7:30pm; 5/14: Perennial Garden Design, 6:30-7:30pm; 5/21: Outdoor Cacti & Succulents w/Leo Chance. 6:30-8pm. $10. RSVP (719) 574-8058. 4955 Austin Bluffs Pkwy, Colo Spr. PhelanGardens.com.
Sturtz & Copeland. 5/20: All About Roses w/Peggy Williams & Sue Longhini. 6:15pm. 20% disc on roses for participants; 5/28: Summer Flower Containers. 6:15pm; 6/7: Small Fruits for the Front Range w/Joel Reich. 10am-1pm. Free. Registration (303) 442-6663. 2851 Valmont Rd, Boulder. SturtzAndCopeland.com.
Tagawa Gardens. 5/1: Container Gardening w/Rob Proctor. 11am-noon; 5/2: Blended Landscapes-Creating Gardens w/Edible & Ornamental Plants. 11am-noon; 5/3: Perennial Garden Design w/Rob Proctor. 11am-1pm; 5/8: Container Gardening w/Rob Proctor. 11am-noon; 5/15: Container Gardening w/Rob Proctor. 11am-noon; 5/16: Artistic Planting-Paint Your Landscape w/Color & Texture. 11am-noon; 5/17: Perennial Garden Design w/Rob Proctor. 11am-1pm; 6/6: Butterfly-Friendly Perennials. 10-11am; Birds, Bees & Pollinators, noon-1pm; What’s Bugging Your Roses? 2-3pm; 7711 South Parker Rd, Centennial. Registration & info: TagawaGardens.com or (303) 690-4722.
Timberline Gardens. 5/2: Hydroponics 101, 9-11am. $10; DIY Patio Container, 1-3pm. $10 plus cost of materials used; 5/3: At Home Greenhouse w/Kelly Grummons. 10am-noon. $10; 5/16: Composting 101 w/Kathy DeMane. 1-3pm. $10; 5/17: Container Vegetable Gardening w/Kelly Grummons. 10am-noon. $10; 5/23: Plant a Succulent Container. 9-11am. $10 plus cost of materials used; DIY Patio Container. 1-3pm. $10 plus cost of materials used; 5/24: Kokedama-Bring the Outdoors Inside. 10am-noon. $30 includes materials; 5/30: Seed Saving w/Mary Lilja. 10-11am. $10; 5/31: Basic Pruning w/Kelly Grummons. 10am-noon. $10; 6/6: Gardening w/Cacti, Agaves & Yucca Relatives w/Kelly Grummons. 9-11am. $10; See the Desert Bloom w/Kelly Grummons. 11am-noon. Free; 1700 W. 58th Ave, Arvada. TimberlineGardens.com or (303) 420-4060.
Wilmore Nursery. 5/3: Container Gardening, 1pm. Free. 711 E County Line Rd, Littleton. Register: WilmoreNurseries.com or (303) 795-5339.
Sat, May 2
Fossil Creek Nursery’s 10th Annual Gardener’s Expo. 10-3. Special offers, many prizes, drawings and fun for all! 7029 S College Ave, Ft Collins. FossilCreekNursery.com. (970) 226-4924.
Purge Your Spurge Plant Exchange. 9am-noon. Bring your bagged Myrtle Spurge in exchange for FREE native plants! 6400 Arapahoe Rd, Boulder on 5/2. Wildlands Restoration Volunteers, Wlrv.org. (303) 543-1411 x3 or Purge Your Spurge on Facebook.
13th Annual Pikes Peak Herb Fest. 9-4. Featuring great herb plants for body, mind & garden. Speakers on topics from growing herbs, to homesteading & nutrition. Aspen Pointe Café, 1675 Garden of the Gods Rd, CO Springs, 80907 (in El Paso Cty Citizens Ctr/aka Cty Bldg). PeakHerbFest.com or (719) 226-9818.
Sat-Sun, May 2-3
Harlequin Gardens Annual May Day Celebration & World Laughter Day. HarlequinsGardens.com for details. 4795-26th St, Boulder. (303) 939-9403.
Thu, May 7
Fossil Creek Nursery’s Evening Garden Party. 6-8. Music, refreshments, fun! Bring your containers or start with new ones. Buy our plants, pot them here & we supply the soil! 7029 S College Ave, Ft Collins. FossilCreekNursery.com. (970) 226-4924.
Sat, May 9
Boulder Home & Garden Fair. 10-4. 60+ vendors including local builders, landscape & garden specialists, home improvement and green living experts, unique product vendors. Free. Rain date 5/16. 29th St Retail District. HomeandGardenMag.com/fair.
Sat-Sun, May 9-10
Tagawa Gardens Mother’s Day Open House. Sat, 9-5; Sun, 10-5. Celebrate Spring! Free concerts, hot dogs, snacks & music to say “thank you” to our community. 7711 South Parker Rd, Aurora. TagawaGardens.com or (303) 690-4722.
Sat, May 16
Butterfly Pavilion Bloomapalooza. 9-5. 6252 W 104th Ave, Westminster. Nature tours, scavenger hunts, ladybug releases, live music, butterfly gardening. Butterflies.org or (303) 469-5441.
Conservation Gardens Fair at Northern Water. 9:30-2. Free. Seminars, conservation garden tours, expert advice, water saving technology & practices, lots of fun children’s activities. 220 Water Ave, Berthoud. NorthernWater.org or (800) 369-7246.
Evergreen Garden Club 50th Anniversary Expo. 10-4. Education classes, demos/how-to stations, retail booths, displays, refreshment stands. Rain or shine! Free. Evergreen Fire/Rescue Training Ctr, 1802 Bergen Pkwy, Evergreen. EvergreenGardenClub.org.
Sun, Jun 7
Denver Rose Society First Bloom Rose Display. 7:30-9 bring roses to display; 9-4 open to public. Free w/paid admissions to DBG. Denver Botanic Gardens-Gates Hall, 1007 York St, Denver. DenverRoseSociety.org or (303) 880-7415.
Sat, June 13
Pikes Peak Rose Society Rose Show. 6am-prep room opens; 7:30-9:30 entries accepted; 10am judging begins; 1-3:30 show opens to public. Come exhibit or enjoy the beauty and fragrance of the rose. Help for novice exhibitors available. Free. Fount of the Life Lutheran Church, 6650 Omaha Blvd, CO Springs (east off Powers onto Omaha). PikesPeakRoseSociety.org or
Bev at YellowRosesNov@msn.com.
Mon-Sun, Jul 13-19
Crested Butte Wildflower Festival. A week-long festival in the wildflower capital of Colorado! Registration Jul 12-19, Crested Butte Community School, 818 Red Lady Ave; before Jul 12 and after Jul 19, Crested Butte Wildflower Festival Office, 409 2nd St. For festival details visit: CrestedButteWildflowerFestival.com or call (970) 349-2571.
Fri-Sun, May 1-3, 9
Heirloom Tomato Farms Annual Sale. Over 100 different and hard to find varieties. Two locations: The Sparrow, 475 Corona St, Denver; Farm 39, 3611 Chestnut Pl, Denver. For location days and hours visit Heirloomtomatofarms.com.
Sat, May 2
City of Lakewood Greenhouses Yearly Perennial Plant Sale. 8-11 or sell-out. Hard-to-find perennials, shrubs & grasses for Western style, water-wise landscapes. Staff available to provide info and advice. 9556 W. Yale. Info: (720) 963-5240.
Pueblo Zoo Zootastic Plant Sale. 8-1. Many unique varieties and expert plant advise from Pueblo County CO Master Gardeners. Come early for best selection. Free.
3455 Nuckoll Ave, Pueblo. Pueblozoo.org or (719) 561-1452.
Sat-Sun, May 2-3, 9-10, 16-17
15th Annual Growing Gardens Community Plant Sale. 8-4. Grown in the community greenhouse, a wide variety of plants for your flower and veggie gardens. All proceeds benefit Growing Gardens’ programs. At the greenhouse, 1630 Hawthorn Ave., Boulder. GrowingGardens.org or
Thu, May 7
Dig and Dream Garden Club Annual Plant Sale. 8-2. A variety of perennials will be available. Pickens Technical College, 500 Airport Blvd, Aurora.
Thu–Sat, May 7-9
Denver Botanic Gardens Annual Plant Sale. 8-5. Grown at the Gardens, Plant Select and the rest of the best. This year’s sale focuses on the importance of pollinators by offering more pollinator-attracting plants and a pre-designed garden layout themed for pollinators. BYO wagon, cart, wheelbarrow or boxes for taking plants home. Pre-order best selection of Fall bulbs at the sale or online. 10% mbr discount, Free admission. www.botanicgardens.org. Preview Party Thurs, May 7, 4-8 pm, $45 per person. 1007 York St., Denver. BotanicGardens.org or (720) 865-3500.
Fri-Sat, May 8-9
Denver Rose Society Annual Plant Sale. Fri 8:30-6, Sat, 8:30-5. Denver Botanic Gardens, 1005 York St. DenverRoseSociety.org or (303) 880-7415.
Sat, May 9
Earthlinks 3rd Annual Mother’s Day Plant & Garden Sale. 10-3. Shop for organically grown flowers, herb & vegetable seedlings, as well as hand-crafted gifts made by participants of the Earthlinks Workshop Program. 2746 W 13th Ave, Denver. Earthlinks-colorado.org or (303) 389-0085.
Greeley Morning Garden Club Plant & Bake Sale, 8-1. Centennial Park, 23rd Ave & 22nd St, Greeley, CO
Happy Transplants Garden Club 15th Annual Plant Sale. 9-3, or sold out. Perennials, annuals, vegetables & herbs. Rain date 5/10. Parking lot of Vectra Bank, 3300 W 72nd Ave (SW corner of Irving & 72nd Ave). (303) 868-1399.
The Kayla Foundation Plant & Bake Sale. 9-2. 6th Annual Mother’s Day Fundraiser offers hanging baskets, color pots and annual bedding plants, and scrumptious baked goods from local bakeries and restaurants. Rky Mtn HS, 1300 W Swallow Rd, Ft Collins. TheKaylaFoundation.org.
Boulder Garden Club Plant Sale. 9-noon. At a New Location – Unitarian Universalist Church, 5001 Pennsylvania Ave, Boulder 80303. BoulderGardenClub.org.
Loveland Garden Club Annual Plant Sale. 9-3. Our annual fundraiser! Annuals, perennials, vegetables, herbs, silent auction, bake sale, door prizes, antique & vintage garden collectibles, garage sale items, master gardener avail for consults. Proceeds used for hort. Scholarships. All Saints Episcopal Church. 3448 Taft, Loveland. (970) 342-9341 or
Fri-Sun, May 9-10
Gardens on Spring Creek Spring Plant Sale. Fri, 3-6 (members only); Sat, 9-4; Sun, noon-5. Just what you need to grow a beautiful landscape, bountiful veggie gardens and lively containers! Grown by the Gardens on Spring Creek, students of CSU and Front Range Community College; proceeds benefit each organization. 2145 S Centre Ave, Ft. Collins. fcgov.com/horticulture or
Sat, May 16
CO Native Plant Society Native Plant Sale. HUGE sale. High Plains Environmental Center, 2968 Bluestem Willow Dr, Loveland.
Boulder Culinary Gardeners Annual Plant Sale. 8-3. Fifteen organic gardeners & farmers supply a large selection of vegetables, tomato varieties, peppers, eggplants, greens, broccoli, kale, cabbages, herbs & perennials. Containers, fruit trees & ornamental shrubs. 988 N. 75th St, Boulder. Look for signs. Parking south of the Farm at Douglass School.
Fairmount Heritage Rose Sale. 8am until sell-out. Featuring High Country Roses. One of largest collections of “Old Garden Roses” in N. America. Sale includes never-before-propagated Fairmount roses, old garden & heirlooms, hybrid teas, miniatures, floribundas, shrubs, climbers. Come early! Rain or shine. Fairmount Cemetery-Chapel in the Pines, 430 S Quebec (off Alameda Pkwy). FairmountHeritageFoundation.org, (303) 322-3895.
Herb Society of Amer. & Front Range Gardeners Annual Plant Sale. 9-1. Organically grown herbs, tomatoes, vegetables, annuals, perennials. Cash only; bring water-tight container for purchases. Denver Presbytery Center, 1710 S Grant, Info: firstname.lastname@example.org or hsarmu.yolasite.com.
Sat-Sun, May 16-17
CSU Denver Ext. CO Master Gardener Plant-A-Palooza, Sat. 8-3, Sun.10-3. 10th Annual! Short season tomatoes, productive N. Mexico chiles, annuals, perennials. 888 E. Iliff Ave, 720-913-5270
Fri-Sun, May 16-18
Horticultural Art Society of CO Springs Gigantic Spring Plant Sale. Fri-Sat, 9-5; Sun,10-4. Featuring many water-wise native, xeric & heirloom plants hard to find anywhere else! HAS’s Demo Garden, 222 Mesa Rd & Glen Ave, CO Springs. HasGardens.org or (719) 357-9427.
Sat-Mon, May 23-25
Memorial Day Weekend Plant Sale at Cheyenne Mt Zoo. 9-5. Support the Zoo’s hort. dept. Pre-order plants by 5/18 for p.u. Fri. evening & get pre-public entry into the sale! 4250 Cheyenne Mountain Zoo Rd., CO Springs. CMZoo.org or (719) 633-9925.
Sun, May 31
KGNU Plant Sale, 9-3, 4700 Walnut St, Boulder. 303 449-4885.
Sun, June 7
Colorado Water Garden Society Annual Plant Sale. 10-2. Members only 9-10. Large variety of water plants-lilies, marginals, and floaters, fish, pots, supplies. Hudson Gardens, 6115 S Sante Fe, Littleton. ColoWaterGardenSociety.org or
Sat, May 16, June 13
Denver Botanic Gardens-Cherokee Spring Nature Hike. 8am. Explore the wealth of habitats and rich flora of Cherokee Ranch & Castle. $20 mbr; $25 non-mbr. 6113 Daniels Park Rd, Sedalia. Register BotanicGardens.org or (720) 865-3500.
Sat, Jun 6
Fairmount Cemetery Heritage Rose Lecture & Tour. 8:30-12:30. Explore one of the largest heritage rose collections in N America at the height of bloom w/Panayoti Kelaidis, Peggy Williams & Matt Douglas. $25, advance ticket sales only. Fairmount Cemetery, 430 S Quebec St. FairmountHeritageFoundation.org or
Whittier-Mapleton 13th Annual Garden Tour, Boulder. Benefits Whittier International Elementary School. 10-3, Mapleton Hill. $15 (kids 12 & under free). Info & tickets: WhittierGardenTour.com.
14th Annual Enchanted Gardens Tour of NW Denver. 9-4; after-party 4-7pm. Self-guided tour includes 20 neighborhood gardens. Under 12 free, $20; $15 in advance. Benefits The Conflict Center, 4140 Tejon.
Greater Park Hill Garden Walk. 10-4. Stunning gardens and art work to stroll or bike to. Facebook/ParkHillGardenWalk.
Old Town Lafayette Garden Tour, 10 am-4pm, featuring 6 cottage gardens. Tickets $10. Info:oldtown lafayette.com
Sat-Sun, June 13-14
Longmont Symphony Guild’s Festival of Flowers Tour of 5 outstanding gardens, 10-4. Tickets @ The Flower Bin or at any tour garden during the event.
Sat, Jun 20
12th Annual Loveland Garden Tour & Art Show. 8-3, featuring gardens in Old Course neighborhood. Sale of “art for the garden”, silent auction of garden totems. $15. Benefits Loveland Youth Gardeners. LovelandYouthGardeners.org or (970) 669-7182.
Junior League of Fort Collins 33rd Annual Terrance & Garden Tour. 9-2. Beautiful landscapes in Eagle Ranch Estates, Ft. Collins. $20; $100 5-pack. jlfortcollins.org or (970) 482-0594.
Sat, June 27
Annual Greeley Garden Tour. Self-guided tour of several outstanding gardens. Cost TBA. Proceeds provide Nursing Scholarships for UNC nursing students. Greeleygardentour.org or (970) 330-1664.
Durango Botanical Society Gardens on Tour. 9-3. Durango’s largest self-guided private garden tour. After-tour Wind Social included. Tickets at DurangoBotanicalSociety.com or day of event at Smart Enterprises, 1400 Main Ave. Text or call (970) 749-5642.
Sat-Sun, June 27-28
9th Annual Parade of Ponds. 9-5. Self-guided charity pond & waterfall tour w/ stops throughout the CO Springs area. $5. Benefits the Boys & Girls Clubs, Pikes Peak Region. Purelyponds.com or (719) 896-0026.
Sat, July 18
Strings Kitchen & Garden Tour. Self-guided tour of 7 properties in Steamboat Springs, w/ live music at each one…17 miles. $40/$45 day of tour or $75 for VIP Tour including gourmet lunch, private van w/ master gardener. stringsmusicfestival.com
Sat-Sun, July 18-19
Fox Open Garden Tour. 9-3. Visit 8 gardens in the Old North End of CO Springs. Benefits CSU Ext./El Paso Cty. $20 cash/check pref. Tickets at CO Springs garden centers Jul 1-17; at 1326 N Cascade Ave & 1410 Wood Ave Jul 18 -19. ExtensionFriends.org.
Forest Edge Gardens Open Days, 10-4. $5 entrance fee goes to a local charity. 12285 Lindsey Ln, CO Springs 80908.