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Learning From Nature Welcome! Explore some resources and ideas for engaging youth and life-long learners in the wonders of Mount Diablo State Park. View a brief message from Steve Smith, MDIA President Mitchell Canyon Windcaves Sentinel Rock near Rock City Mitchell Canyon 1/11 Get Outside! Plan Your Visit to Mount Diablo 8 Popular Hikes Mitchell Canyon Interpretive Trail Mary Bowerman Interpretive Trail Points of Interest Go on a Scavenger Hunt Bring a Journal What Can You See? Choose the season of your visit to Mount Diablo Winter Spring Summer Fall Learning Resources Themed Content Activities and handouts (pdf) Wild Mount Diablo (Videos) Safety Resources Poison Oak (Leaves of 3) Tick Talk Snakes Live Here Too Park Safety Tips Other Resources Browse the resources from our community partners We want to hear from you Fill out the form below to send us suggestions, questions and feedback. Get In Touch First Name Last Name Email Address Subject Message Thanks for your message! Submit

Mount Diablo activities, MDIA assists the California Department of Parks and Recreation in maintaining and interpreting Mount Diablo State Park. MDIA is dedicated to preserving the wonders of Mount Diablo State Park through interpretation, education, and outreach to all communities. Education Center Entrance South View Education Center Porch Entry Sunrise view from Summit by Dick Nicoll Education Center Entrance South View 1/13 Our Fall Fundraising Campaign is underway! Donate Today! What's Happening Help us Build a New Education Center Check Our Upcoming Events Download the Mount Diablo State Park Brochure See Park Information Check out What's Blooming Now Mount Diablo eNewsletter , August 2025 Camp Hike Bike Horseback Discover Wildflowers Points of Interest Birds Butterflies Peregrine Falcons Take a Multimedia Tour Audible Mount Diablo provides an audiovisual collection of the sights and sounds of Mount Diablo State Park. “We acknowledge that Mount Diablo is the ancestral home, since time immemorial, of the Wilton Rancheria, Bay Miwok, Confederated Villages of Lisjan, Northern Valley Yokuts, Muwekma, and Ohlone peoples.” Mount Diablo Interpretive Association Mission Statement Preservation Through Education Mount Diablo Interpretive Association is a non-profit, all-volunteer organization that assists the California Department of Parks and Recreation in maintaining and interpreting Mount Dia blo State Park. MDIA is dedicated to preserving the wonders of Mount Diablo State Park through interpretation, education, and outreach to all communities. More About Us Get Involved MDIA is always looking for dedicated volunteers to lead or help with various programs, outreach, and operations. Shop Check out our clothing, books, maps, and more. Every purchase supports MDIA's programs and activities. Subscribe Sign up for MDIA's e-newsletter for updates about park events and opportunities to get involved. Donate Make a difference and donate to MDIA. Your gift can support the Education Center in Mitchell Canyon or MDIA operations.

invasive plants Mount Diablo Invasive Plants Prev 1 2 3 4 5 1 ... 1 2 3 4 5 ... 5 Next American Nightshade Solanum americanum Artichoke Thistle Cynara cardunculus Bellardia, Mediterranean Linseed Bellardia trixago Bermuda-buttercup, Sourgrass Oxalis pes-caprae Big Pod Lupine Lupinus pachylobus Black Mustard Brassica nigra Bristly Ox-tongue Helminthotheca echioides Bull thistle Cirsium vulgare Bunch-Flowered Narcissus Narcissus tazetta Bur Chervil, Bur Parsley Anthriscus caucalis Bur Clover Medicago polymorpha Clasping Henbit, Henbit Lamium amplexicaule Prev 1 2 3 4 5 1 ... 1 2 3 4 5 ... 5 Next Up Jump to Blue / Purple Red / Pink White Yellow / Orange

Blue Purple Wildflowers Blue-Purple Wildflowers Prev 1 2 3 ... 7 1 ... 1 2 3 4 5 6 7 ... 7 Next Alkali Heliotrope, Seaside Heliotrope Heliotropium curassavicum var. oculatum American Brooklime Veronica americana American Vetch Vicia americana Arroyo Lupine Lupinus succulentus Artichoke Thistle Cynara cardunculus Baby Blue Eyes Nemophila menziesii var. menziesii Big Pod Lupine Lupinus pachylobus Bird's Eye Gilia Gilia tricolor ssp. tricolor Blue Dicks Dichelostemma capitatum ssp. capitatum Blue Scarlet Pimpernel Lysimachia loefingii Blue Skullcap Scutellaria tuberosa Blue Witch, Nightshade Solanum umbelliferum Prev 1 2 3 ... 7 1 ... 1 2 3 4 5 6 7 ... 7 Next Up

Blooming wildflowers Mount Diablo native plants Blooming Native Plants Download list Prev 1 2 3 1 ... 1 2 3 ... 3 Next Alkali Heliotrope, Seaside Heliotrope Heliotropium curassavicum var. oculatum Brewer's Phacelia Phacelia breweri California Gilia Gilia achilleifolia ssp. achilleifolia Mount Diablo Jewelflower Streptanthus hispidus Pacific Hound's Tongue Cynoglossum grandis Purple Spot Gilia, Grassland Gilia Gilia clivorum Spreading Phacelia Phacelia divaricata Summer Lupine Lupinus formosus Tall Stephanomeria, Rod Wirelettuce Stephanomeria virgata ssp. pleurocarpa Tansy-leaf Phacelia, Lacy Phacelia Phacelia tanacetifolia Vinegar Weed Trichostema lanceolatum Brewer's Rockcress Boechera breweri ssp. breweri California Fuchsia, Hummingbird Fuchsia, Zauschneria Epilobium canum California Pink Silene laciniata ssp. californica California Sagebrush Artemisia californica Dense Flowered Willowherb, Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose Epilobium densiflorium Fremont Bush Mallow, Diablo Mallow, White Coat Mallow Malacothamnus fremontii Fringed Willowherb, Northern willow herb, Slender willow herb Epilobium ciliatum Giant Trillium Trillium chloropetalum Mount Diablo Manzanita Arctostaphylos auriculata Panicled Willowherb, Summer Cottonweed Epilobium brachycarpum Shooting Star (Henderson's) Dodecatheon hendersonii Spanish Clover, Spanish Lotus Acmispon americanus var. americanus Van Houtte's Columbine, Stream Columbine Aquilegia eximia American Nightshade Solanum americanum Prev 1 2 3 1 ... 1 2 3 ... 3 Next Blooming Non-Native Jump to Blooming (all) Wildflower Guide Up

Blooming wildflowers Mount Diablo Blooming Now Download list Prev 1 2 3 1 ... 1 2 3 ... 3 Next Alkali Heliotrope, Seaside Heliotrope Heliotropium curassavicum var. oculatum Brewer's Phacelia Phacelia breweri California Gilia Gilia achilleifolia ssp. achilleifolia Chicory Cichorium intybus Glittering Vervain Verbena gemmea Mount Diablo Jewelflower Streptanthus hispidus Pacific Hound's Tongue Cynoglossum grandis Purple Spot Gilia, Grassland Gilia Gilia clivorum Spreading Phacelia Phacelia divaricata Summer Lupine Lupinus formosus Tall Stephanomeria, Rod Wirelettuce Stephanomeria virgata ssp. pleurocarpa Tansy-leaf Phacelia, Lacy Phacelia Phacelia tanacetifolia Vinegar Weed Trichostema lanceolatum Wild Radish Raphanus sativus Brewer's Rockcress Boechera breweri ssp. breweri Bull thistle Cirsium vulgare California Fuchsia, Hummingbird Fuchsia, Zauschneria Epilobium canum California Pink Silene laciniata ssp. californica California Sagebrush Artemisia californica Dense Flowered Willowherb, Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose Epilobium densiflorium Fremont Bush Mallow, Diablo Mallow, White Coat Mallow Malacothamnus fremontii Fringed Willowherb, Northern willow herb, Slender willow herb Epilobium ciliatum Giant Trillium Trillium chloropetalum Jersey Cudweed Pseudognaphalium luteoalbum Mount Diablo Manzanita Arctostaphylos auriculata Prev 1 2 3 1 ... 1 2 3 ... 3 Next Blooming Non-Native Jump to Blooming Native Wildflower Guide Up

Native wildflowers Mount Diablo Native Wildflowers California Native Plants Prev 1 2 3 ... 34 1 ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 ... 34 Next Alkali Desertparsley, Caraway-leaved Lomatium Lomatium caruifolium Alkali Heliotrope, Seaside Heliotrope Heliotropium curassavicum var. oculatum Alkali Mallow Malvella leprosa American Brooklime Veronica americana American Nightshade Solanum americanum American Vetch Vicia americana Arroyo Lupine Lupinus succulentus Ashy Silk Tassel Garrya flavescens Baby Blue Eyes Nemophila menziesii var. menziesii Big Berry Manzanita, Great-berried Manzanita Arctostaphylos glauca Big Flower Agoseris Agoseris grandiflora Big Pod Lupine Lupinus pachylobus Prev 1 2 3 ... 34 1 ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 ... 34 Next Up Jump to Blooming Now Wildflower Guide

Native wildflowers Mount Diablo Summit Wildflowers Plants of the Summit and Mary Bowerman Trail Prev 1 2 3 ... 11 1 ... 1 2 3 4 5 6 7 8 9 10 11 ... 11 Next Ashy Silk Tassel Garrya flavescens Bird's Foot Trefoil Lotus corniculatus Bitterroot Lewisia rediviva var. rediviva Black Mustard Brassica nigra Blue Dicks Dichelostemma capitatum ssp. capitatum Blue Elderberry Sambucus mexicana Blue Skullcap Scutellaria tuberosa Blue Witch, Nightshade Solanum umbelliferum Blue-eyed Mary Collinsia sparsiflora Brewer's Phacelia Phacelia breweri Buck Brush Ceanothus cuneatus var. cuneatus Buck Lotus (Green) Hosackia crassifolia Prev 1 2 3 ... 11 1 ... 1 2 3 4 5 6 7 8 9 10 11 ... 11 Next Up Jump to Wildflower Guide Blooming Now Native Plants

White wildflowers Mount Diablo White Wildflowers Prev 1 2 3 ... 13 1 ... 1 2 3 4 5 6 7 8 9 10 11 12 13 ... 13 Next Alkali Mallow Malvella leprosa American Nightshade Solanum americanum Bellardia, Mediterranean Linseed Bellardia trixago Big Berry Manzanita, Great-berried Manzanita Arctostaphylos glauca Bittercress Cardamine oligosperma Bitterroot Lewisia rediviva var. rediviva Black Sage Salvia mellifera Blow Wives, seed pods Achyrachaena mollis Blue Dicks, white form Dichelostemma capitatum ssp. capitatum Blue-eyed Grass, white form Sisyrinchium bellum Bracted Popcornflower Plagiobothrys bracteatus Bristly Phacelia Phacelia nemoralis var. nemoralis Prev 1 2 3 ... 13 1 ... 1 2 3 4 5 6 7 8 9 10 11 12 13 ... 13 Next Up

Green Wildflowers Mount Diablo Green Wildflowers Prev 1 1 ... 1 ... 1 Next Buck Lotus (Green) Hosackia crassifolia California Tea (Green) Rupertia physodes Checker Lily, Mission Bells Fritillaria affinis affinis Delta Coyote-Thistle (Green) Eryngium jepsonii Denseflower Rein Orchid Piperia elongata Dwarf Flax Hesperevax sparsiflora var. sparsiflora Hollyleaf Redberry Rhamnus ilicifolia Michael's Rein Orchid Piperia michaelii Woolly Fishhooks Ancistrocarphus filagineus Prev 1 1 ... 1 ... 1 Next Up

Rare wildflowers Mount Diablo Rare Plants on Mount Diablo Only plants with photos are shown. See full list (PDF) Prev 1 2 1 ... 1 2 ... 2 Next Brewer's Calandrinia Calandrinia breweri Brewer's Western Flax Hesperolinon breweri Chaparral Harebell Ravenella exigua Contra Costa Manzanita Arctostaphylos manzanita ssp. laevigata Hairy Bird’s Beak Cordylanthus pilosus ssp. pilosus Hospital Canyon Larkspur Delphinium californicum ssp. interius Jepson's Woolly Sunflower Eriophyllum jepsonii Michael's Rein Orchid Piperia michaelii Most Beautiful Jewelflower Streptanthus glandulosus ssp. glandulosus Mount Diablo Bird's-beak Cordylanthus nidularius Mount Diablo Buckwheat Eriogonum truncatum Mount Diablo Globe Lily, Mount Diablo Fairy Lantern Calochortus pulchellus Prev 1 2 1 ... 1 2 ... 2 Next Up Jump to Wildflower Guide

Red Pink Wildflowers Mount Diablo Red-Pink Wildflowers Prev 1 2 3 ... 9 1 ... 1 2 3 4 5 6 7 8 9 ... 9 Next Bilobe Clarkia, Mule-ear Clarkia, Twolobe Clarkia Clarkia biloba ssp. biloba Branched Clover Trifolium dichotomum Brewer's Calandrinia Calandrinia breweri Brewer's Rockcress Boechera breweri ssp. breweri Broadleaf Filaree, Grape Storksbill, Long-beaked Filaree Erodium botrys Buck Lotus, Big Deervetch Hosackia crassifolia Bull thistle Cirsium vulgare California Figwort, California Beeplant Scrophularia californica California Fuchsia, Hummingbird Fuchsia, Zauschneria Epilobium canum California Honeysuckle Lonicera hispidula California Loosestrife Lythrum californicum California Milkweed Asclepias californica Prev 1 2 3 ... 9 1 ... 1 2 3 4 5 6 7 8 9 ... 9 Next Up