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articles about plants wildlife spiders mammals insects Articles Filter by Category Select Category Pepsis Tarantula Hawk Has Found Its Prey While most of us “Mount Diablo-philes” have a great love for our local tarantulas, I am also enamored with Tarantula Hawks – those large, magnetic blue-black wasps with the orange wings! July 5, 2025 More Hoverflies Hoverflies are Flies in Disguise June 24, 2025 More Jeweled Spider Flies One of my favorite insects is quite uncommon ... June 20, 2025 More Pollen Wasp It isn’t a pest or a predator - this Pollen Wasp behaves more like a bee... June 20, 2025 More Crab Spider Crab Spiders Use Flower Power May 28, 2025 More Acorn Woodpecker A bird that's nut for acorns! May 21, 2025 More Coyote The barking dog May 21, 2025 More Dragonfly Oh my! What big eyes you have! May 21, 2025 More 1 2 3 4 5 1 ... 1 2 3 4 5 6 7 8 9 10 11 ... 11

Wildflower Mount Diablo Dove Lupine Scientific Name: Lupinus bicolor Family: Fabaceae (Legume Family) Blooms: Feb - May Color: Blue-Purple Annual or perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Brickell bush, California brickellbush, California brickellia Scientific Name: Brickellia californica Family: Asteraceae (Sunflower Family) Blooms: August Color: Yellow-Orange Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steven Beatty

Wildflower Mount Diablo Single-leaf Onion Scientific Name: Allium unifolium Family: Alliaceae (Onion Family) Blooms: Apr - Jun Color: Red-Pink Perennial herb (bulb) Native, endemic to California Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Kevin Hintsa

Wildflower Mount Diablo Seep monkey flower Scientific Name: Erythranthe guttata Family: Phrymaceae Blooms: Apr-Jun Color: Yellow-Orange annual or perennial herb (rhizomatous) Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steve Smith

Wildflower Mount Diablo Dobie Pod Scientific Name: Tropidocarpum gracile Family: Brassicaceae (Mustard Family) Blooms: Mar-Apr Color: Yellow-Orange Annual herb native to California, and endemic (limited) to California. Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald

Privacy Policy of Mount Diablo Interpretive Association Mount Diablo Interpretive Association (MDIA) operates the https://mdia.org website (“the website”), which provides the public with information and resources on our organization’s mission and work related to the preservation and education of Mount Diablo State Park. This page is used to inform website visitors regarding our policies regarding the collection, use, and disclosure of Personal Information if anyone decides to use our Service, the Mount Diablo Interpretive Association website. If you choose to use our Service, then you agree to the collection and use of information with this policy. The Personal Information that we collect is used for providing and improving the Service. We will not use or share your information with anyone except as described in this Privacy Policy. Information Collection and Use For a better experience while using our Service, we may require you to provide us with certain personally identifiable information, including but not limited to your name, phone number, email address, and postal address. The information that we collect will be used to contact or identify you. Log Data We want to inform you that whenever you visit our Service, we collect information that your browser sends to us which is called Log Data. This Log Data may include information such as your computer’s Internet Protocol (“IP”) address, browser version, pages of our Service that you visit, the time and date of your visit, the time spent on those pages, and other statistics. Cookies Cookies are files with a small amount of data that is commonly used as an anonymous unique identifier. These are sent to your browser from the website that you visit and are stored on your computer’s hard drive. This website uses cookies to improve your experience while you navigate through the website. We use these cookies to help the website function and provide you with an improved and customized user experience. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they as essential for the working of basic functionalities of the website. Necessary cookies are crucial for the basic functions of the website and the website will not work in its intended way without them. These cookies do not store any personally identifiable data. We do not use third-party cookies. Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics, the number of visitors, bounce rate, traffic source, etc. We do not store user preferences. If you continue to use the website, we assume that you are okay with it. Service Providers We may employ third-party companies and individuals due to the following reasons: To facilitate our Service; To provide the Service on our behalf; To perform Service-related services; or To assist us in analyzing how our Service is used. We want to inform our Service users that these third parties have access to your Personal Information. The reason is to perform the tasks assigned to them on our behalf. However, they are obligated not to disclose or use the information for any other purpose. Security We value your trust in providing us with your Personal Information, thus we are striving to use commercially acceptable means of protecting it. HTTPS or Secure HTTP is an encryption method that secures the connection between users’ browser and your server. This makes it harder for hackers to eavesdrop on the connection. Every day we share our personal information with different websites whether it’s making a purchase or simply logging in. To protect the data transfer, a secure connection needs to be created. That’s when SSL and HTTPS come in. Each site is issued a unique SSL certificate for identification purposes. If a server is pretending to be on HTTPS, and its certificate doesn’t match, then most modern browsers will warn the user from connecting to the website. We adhere to best practices for cybersecurity through the implementation of https:// and an SSL certificate for encryption of data transfers. Mount Diablo Interpretive Association (MDIA) does not store any payment information on our website or its database. All payment processing is securely transmitted through our 3rd party merchant processor and credit card payment gateway provider (Bloomerang ). But remember that no method of transmission over the internet, or method of electronic storage is 100% secure and reliable, and we cannot guarantee its absolute security. In the event of a significant security breach, MDIA will take specific measures to notify the public through a variety of communication channels, such as social media, email newsletter, and/or press release. Links to Other Sites Our Service may contain links to other sites. If you click on a third-party link, you will be directed to that site. Note that these external sites are not operated by us. Therefore, we strongly advise you to review the Privacy Policy of these websites. We have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services. Changes to This Privacy Policy We may update our Privacy Policy from time to time. Thus, we advise you to review this page periodically for any changes. We will notify you of any changes by posting the new Privacy Policy on this page. These changes are effective immediately after they are posted on this page. Contact Us If you have any questions or suggestions about our Privacy Policy, please contact us .

Wildflower Mount Diablo Branched Clover Scientific Name: Trifolium dichotomum Family: Fabaceae (Pea Family) Blooms: Mar-May Color: Red-Pink Annual herb Native, and endemic (limited) to California Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald

Wildflower Mount Diablo Arroyo Lupine Scientific Name: Lupinus succulentus Family: Fabaceae (Legume Family) Blooms: Mar - Jun Color: Blue-Purple Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Kevin Hintsa

2 Easy 4 miles Mitchell Canyon Nature Trail DESCRIPTION: This route follows Mitchell Creek and is extremely popular in the spring and early summer when wildflowers are abundant. There are ten identified stops following the Mitchell Canyon Trail Guide that can be obtained at the Mitchell Canyon Visitor Center. The route begins within an oak savanna woodland and then enters a riparian community. The shaded north exposures are alive with wildflowers in the spring. Watch for the California quail and butterflies as well. You may alter a portion of your return by following the Globe Lily Trail, which parallels Mitchell Canyon Road to the west between Red Road and Black Point Trail, and offers a modest elevation gain and provides wider vistas. DISTANCE DIFFICULTY See map, below TRAILHEAD KEY 3 TRAILHEAD: Mitchell Canyon TRAIL STATISTICS: This walk follows the Mitchell Canyon - Back Creek Loop (above) for the first two miles where the trail begins climbing by switchback up to Deer Flat. At the point where the climb begins, turn and retrace your walk. About 4-mile hike with a 500-foot elevation gain RATING: Easy

Wildflower Mount Diablo Bristly Phacelia Scientific Name: Phacelia nemoralis var. nemoralis Family: Hydrophyllaceae (Waterleaf Family) Blooms: May - Jun Color: White Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

The Mount Diablo Observatory Association (MDOA) is dedicated to public education in astronomy. The organization includes scientists, engineers, and other professionals with a common interest in astronomy and a desire to further science education. MAILING ADDRESS: Mt. Diablo Observatory Association, Inc. P.O. Box 3165 Walnut Creek, CA 94598-3165 3 cups Blueberries 3 cups Flour 1½ cups Butter The Mount Diablo Observatory Association (MDOA) is dedicated to public education in astronomy. The organization includes scientists, engineers, and other professionals with a common interest in astronomy and a desire to further science education. MAILING ADDRESS: Mt. Diablo Observatory Association, Inc. P.O. Box 3165 Walnut Creek, CA 94598-3165 In celebration of the International Year of Astronomy 2009, NASA Great Observatories -- Hubble Space Telescope, Spitzer Space Telescope, and Chandra X-ray Observatory -- have produced a matched trio of images of the central region of our Milky Way. Stargazing on Mount Diablo Mount Diablo Astronomical Society (MDAS) Event Calendar The Mount Diablo Observatory Association, Inc. (MDOA) is a cooperating organization within Mount Diablo State Park. Incorporated in 1988, MDOA members planned, raised funds and established an astronomical observatory. The observatory consists of a Solar powered 96 square foot roll-off roof observatory, and a 500 square foot warming room. The heart of the observatory is a computer controlled Celestron 14, which has a variety of electronic attachments, a CCD camera, and photographic equipment. The addition of a refractor to the observatory has enhanced the photographic tasks and the public outreach of the observatory. A 15 Kilowatt generator provides all the electrical needs for lighting, heating, and AC for the comfort of our visitors in the warming room. At nearly 3800 feet above the mean sea level, the observatory has an unobstructed view of the night sky (and Mount Diablo is the highest mountain within the San Francisco Bay Area with a public access observatory). Every year MDOA and its sister organization, Mount Diablo Astronomical Society, operate Public Astronomy Programs under the sponsorship of Mount Diablo State Park. This program is now in its 28th year! For written information, applications for Associate Membership ($30/year; $25 annual membership + $5 MDAS name badge) to support the observatory or for other correspondence feel free to contact us by email, or in writing at: Mount Diablo Astronomical Society P.O. Box 4889 Walnut Creek, CA 94596 Celestron 14 | Jon Wilson Planetary Nebula, M 57 in Lyra. June 12, 2010 Information for Visitors: EXCITEMENT FOR THE WHOLE FAMILY! MOON Photographed April 13, 2009 Participate in hands-on astronomy activities followed by supervised observing through the many different telescopes of MDAS members. Bring snacks, water, binoculars, and warm clothes. If you bring a flashlight please cover it with red material. Please note that only Mount Diablo Astronomy Docents may set up telescopes on Public Nights. LOCATION DETAIL Mount Diablo, at the Lower Summit Parking Lot off Summit Road, almost to the top of Mount Diablo Summit Rd, Walnut Creek, CA 94598 More information at: Mount Diablo Astronomical Society Another astronomy link: Western Amateur Astronomers The material above is provided by Mount Diablo Observatory Association and Mount Diablo Astronomical Society