Organization: National Park ServiceLocation: 1849 C St NWWashington, DC, 20240United StatesSee map: Google MapsPhone:202-208-6843 2025 Free Entrance Days in the National ParksDates: 04/19/202506/19/202508/04/2025Show more datesHide these dates09/27/202511/11/2025Time: See website for details. Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 A Garden of Verses Poetry Festival at the California Botanic GardenDates: 04/05/2025Time: 11 am - 4 pm Organization: Alpengirl CampLocation: 214 E Mendenhall StBozeman, MT, 59715United StatesSee map: Google MapsPhone:406-570-6312 Alpengirl Adult Women's AdventuresDates: 08/20/202508/21/202508/22/2025Show more datesHide these dates08/23/202508/24/202508/25/202508/26/202508/27/202508/28/202508/29/202508/30/202508/31/202509/01/202509/02/202509/03/202509/04/202509/05/202509/06/202509/07/202509/08/202509/09/202509/10/202509/11/202509/12/202509/13/202509/14/202509/15/202509/16/202509/17/202509/18/2025Time: 8:00AM Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Arrange Wild: Wildflower Wreath Design at the California Botanic GardenDates: 04/19/2025Time: 10 am - 11:30 am Organization: Cabrillo Marine AquariumLocation: 3720 Stephen M. White Drive San Pedro, CA, 90731United StatesSee map: Google MapsPhone:310-548-7562 Beach Cleanup at the Cabrillo Marine AquariumDates: 04/05/202505/03/202506/07/2025Show more datesHide these dates07/05/202508/02/202509/06/202510/04/202511/01/202512/06/2025Time: 9:00 - 10:30am Organization: One ColoradoLocation: 41 Hugus AlleyPasadena, CA, 91103United StatesSee map: Google MapsPhone:626-564-1066 BEE Kind to Our Planet - One ColoradoDates: 04/26/2025Time: 1 - 4pm PDT Organization: Natural History Museum of Los Angeles County (NHM)Location: 900 Exposition BlvdLos Angeles, CA, 90007United StatesSee map: Google MapsPhone:213-763-3466 Butterfly Pavilion - Natural History Museum of Los Angeles County (NHM) - Los Angeles, CA Dates: 04/01/202504/02/202504/03/2025Show more datesHide these dates04/04/202504/05/202504/06/202504/07/202504/08/202504/09/202504/10/202504/11/202504/12/202504/13/202504/14/202504/15/202504/16/202504/17/202504/18/202504/19/202504/21/202504/22/202504/23/202504/24/202504/25/202504/26/202504/27/202504/28/202504/29/202504/30/202505/01/202505/02/202505/03/202505/04/202505/05/202505/06/202505/07/202505/08/202505/09/202505/10/202505/11/202505/12/202505/13/202505/14/202505/15/202505/16/202505/17/202505/18/202505/19/202505/20/202505/21/202505/22/202505/23/202505/24/202505/25/202505/26/202505/27/202505/28/202505/29/202505/30/202505/31/202506/01/202506/02/202506/03/202506/04/202506/05/202506/06/202506/07/202506/08/202506/09/202506/10/202506/11/202506/12/202506/13/202506/14/202506/15/202506/16/202506/17/202506/18/202506/19/202506/20/202506/21/202506/22/202506/23/202506/24/202506/25/202506/26/202506/27/202506/28/202506/29/202506/30/202507/01/202507/02/202507/03/202507/04/202507/05/202507/06/202507/07/202507/08/202507/09/202507/10/202507/11/202507/12/202507/13/202507/14/202507/15/202507/16/202507/17/202507/18/202507/19/202507/20/202507/21/202507/22/202507/23/202507/24/202507/25/202507/26/202507/27/202507/28/202507/29/202507/30/202507/31/202508/01/202508/02/202508/03/202508/04/202508/05/202508/06/202508/07/202508/08/202508/09/202508/10/202508/11/202508/12/202508/13/202508/14/202508/15/202508/16/202508/17/202508/18/202508/19/202508/20/202508/21/202508/22/202508/23/202508/24/2025Time: Sun, Thurs, Fri, Sat: 9:30 am to 5 pm (Mon,Tues,Wed closed) Organization: City of Lancaster, CALocation: 44933 Fern AvenueLancaster,, CA, 93534United StatesSee map: Google MapsPhone:661-723-6000 California Poppy Festival - City of Lancaster, CADates: 04/25/202504/26/202504/27/2025Time: Check Website for Time Location: Camp Paivika600 Playground DrCedarpines Park, CA, 92325United StatesSee map: Google MapsPhone:626-396-1010 Camp Paivika 2025Dates: 07/16/202507/17/202507/18/2025Show more datesHide these dates07/19/202507/20/202507/21/202507/24/202507/25/202507/26/202507/27/202507/28/202507/29/202508/09/202508/10/202508/11/202508/12/202508/15/202508/16/202508/17/202508/18/202508/21/202508/22/202508/23/202508/24/2025Time: See Website Organization: Heal the Bay AquariumLocation: 1600 Ocean Front WalkSanta Monica, CA, 90401United StatesSee map: Google MapsPhone:(310) 393-6149 Celebrate Earth Day - Heal the Bay AquariumDates: 04/20/2025Time: 11 AM – 4 PM Organization: Discovery Cube Los AngelesLocation: 11800 Foothill BlvdSylmar, CA, 91342United StatesSee map: Google MapsPhone:(714) 542-2823 Discovery Cube Los Angeles Impact EventDates: 04/12/2025Time: 10:00 am to 1:00 pm Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Drawing Birds and Winged Insects at the California Botanic GardenDates: 04/12/2025Time: 10 am - 12 pm Organization: Natural History Museum of Los Angeles County (NHM)Location: 900 Exposition BlvdLos Angeles, CA, 90007United StatesSee map: Google MapsPhone:213-763-3466 Earth Day - Natural History Museum of Los Angeles County (NHM)Dates: 04/19/2025Time: 11 am–3 pm PST Location: 27474 Casta Del Sol, Mission Viejo, CA27474 Casta Del SolMission Viejo, CA, 92692United StatesSee map: Google MapsPhone:(949) 470-3000 Earth Day and Arbor Day Celebration in Mission ViejoDates: 04/26/2025Time: 8 am - 12 pm Location: near by 33820 165th Street East Llano, CA 9354433820 165th StreetEast Llano, CA, 93544United StatesSee map: Google MapsPhone:(760) 820-9499 Earth Day Clean Up at the Llano Silo RoadDates: 04/25/202504/26/2025Time: See Website Organization: Los Angeles County Arboretum and Botanic GardenLocation: 301 N Baldwin AveArcadia, CA, 91007United StatesSee map: Google MapsPhone:(626) 821-3234 Family Night Hikes - Los Angeles County Arboretum and Botanic GardenDates: 04/26/202505/17/202506/07/2025Show more datesHide these dates07/05/202508/02/202509/13/202510/25/2025Time: 5:30 - 7:00pm PST Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 First Day of Drawing from Nature: Sketching in The Garden (4-part class) at the California Botanic GardenDates: 04/03/2025Time: See Website Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 First Sunday Family Friendly Bird Walks hosted by the Pomona Valley Audubon Society at the California Botanic GardenDates: 04/06/2025Time: 8 am - 10 am Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Founder's Day 2025 at the California Botanic GardenDates: 04/11/2025Time: See Website Organization: The Virginia Robinson GardensLocation: 1008 Elden WayBeverly Hills, CA, 90210United StatesSee map: Google MapsPhone:(310) 550-2087 Garden Tour 2025: Flora Fantasia - The Virginia Robinson GardensDates: 05/17/2025Time: Check Website for Time Organization: Los Angeles County Arboretum and Botanic GardenLocation: 301 N Baldwin AveArcadia, CA, 91007United StatesSee map: Google MapsPhone:(626) 821-3234 Goat Yoga - Los Angeles County Arboretum and Botanic GardenDates: 04/12/202505/03/202506/07/2025Time: 10:00 & 11:30am PST Organization: Descanso GardensLocation: 1418 Descanso DriveLa Cañada Flintridge, CA, 91011United StatesSee map: Google MapsPhone:(818) 949-4200 Plant Giveaway - Descanso GardensDates: 04/26/2025Time: 9:00 am - 11:00 am PST Organization: Suiho-En: The Japanese GardenLocation: 6100 Woodley AveVan Nuys, CA, 91406United StatesSee map: Google MapsPhone:818-756-8166 Special Sunday Event - Suiho-En: The Japanese GardenDates: 04/13/2025Time: 9:30AM - 3:30PM Organization: Descanso GardensLocation: 1418 Descanso DriveLa Cañada Flintridge, CA, 91011United StatesSee map: Google MapsPhone:(818) 949-4200 Spring Blooms Tour - Descanso GardensDates: 04/19/2025Time: 11:00 am - 12:00 pm PST Organization: Tanaka FarmsLocation: 5380 3/4 University DrIrvine, CA, 92612United StatesSee map: Google MapsPhone:949.653.2100 Strawberry Picking Tour - Tanaka FarmsDates: 04/05/202504/06/202504/12/2025Show more datesHide these dates04/13/202504/19/202504/20/202504/27/2025Time: Time slots from 9:30am - 2:30pm PST Organization: Tanaka FarmsLocation: 5380 3/4 University DrIrvine, CA, 92612United StatesSee map: Google MapsPhone:949.653.2100 The Hana Field Sunflower Patch - Tanaka FarmsDates: 04/05/202504/06/202504/12/2025Show more datesHide these dates04/13/202504/19/202504/20/202504/26/202504/27/2025Time: 9:00 am - 4:00 pm PDT Organization: Underwood Family FarmsLocation: .Locations in Somis & Moorpark, CA, .United StatesSee map: Google MapsPhone:(805) 529-3690 Tomatomania - Underwood Family Farms Dates: 04/04/202504/05/202504/06/2025Time: 9am - 6pm Organization: Stone Soup Farm & Heritage OrchardLocation: 12131 S. Oak Glen RdOak Glen, CA, 92399 United StatesSee map: Google Maps Wild Bunch Gathering - Stone Soup Farm & Heritage OrchardDates: 04/05/202504/12/202504/13/2025Time: 11am - 1:30pm Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Wildflower Month Photo Contest 2025 at the California Botanic GardenDates: 04/01/202504/02/202504/03/2025Show more datesHide these dates04/04/202504/05/202504/06/202504/07/202504/08/202504/09/202504/10/202504/11/202504/12/202504/13/202504/14/202504/15/202504/16/202504/17/202504/18/202504/19/202504/20/202504/21/202504/22/202504/23/202504/24/202504/25/202504/26/202504/27/202504/28/202504/29/202504/30/2025Time: See Website Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Wildflower Tram Tours at the California Botanic GardensDates: 04/04/202504/05/202504/12/2025Show more datesHide these dates04/13/202504/18/202504/19/202504/26/202504/27/2025Time: 2 pm Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Wildflower Walking Tours at the California Botanic GardensDates: 04/04/202504/05/202504/12/2025Show more datesHide these dates04/13/202504/18/202504/19/202504/26/202504/27/2025Time: 10 am Organization: California Botanic GardenLocation: 1500 N. College Ave.Claremont, CA, 91711United StatesSee map: Google MapsPhone:909-625-8767 Yarn in the Yuccas: CalBG Fiber Arts MeetupDates: 04/25/2025Time: 1:30 pm - 2:30 pm
