# valley oak (*Quercus lobata*) The valley oak is a big, beautiful tree that can grow very tall and wide. Its leaves are shaped like big fingers and turn golden in the fall. This tree provides homes for many animals and shade for people! - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 14 - **Habitat:** Grasslands ![valley oak](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Valley_Oak_Mount_Diablo.jpg&width=800) Photo: Miguel Vieira from Walnut Creek, CA, USA, CC BY 2.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Valley_Oak_Mount_Diablo.jpg) ## Appearance The valley oak is a large, deciduous tree known for its massive trunk and broad, spreading crown. It has deeply lobed, dark green leaves and thick, deeply furrowed gray-brown bark, making it distinct from many narrower oaks. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Magnoliopsida - **Order:** Fagales - **Family:** Fagaceae - **Genus:** Quercus ## Interesting facts - Fuzzy young leaves help keep the tree cool during hot California summers! - Its taproot can reach deeper than a six-story building for water! - Its wide branches can shade an area larger than two tennis courts! - Valley oak acorns were a vital food for many Native American tribes! ## Special abilities - **Deep Water Hunter:** Valley oak can survive long dry summers because its deep taproot reaches far down for water. - **Fire Shield Bark:** Valley oak has thick, furrowed bark that protects its vital tissues, helping it survive some wildfires. - **Acorn Powerhouse:** Valley oak can produce abundant acorns, providing a vital food source and aiding in its widespread reproduction. - **Long Life Champion:** Valley oak has a lifespan of hundreds of years, allowing it to adapt to long-term environmental changes. ## Measurements & details - **Height:** 1500-3000 cm - **Spread:** 1000-3500 cm - **Flower Size:** 1-5 cm - **Bloom Season:** Spring - **Edible:** Yes - **Toxicity:** Mild - **Lifecycle:** Perennial - **Pollination Method:** Wind ## Ecological connections - **Eaten by:** [Western Gray Squirrel](https://www.snappit.app/explore/western-gray-squirrel) (*Sciurus griseus*) — Feeds on nutrient-rich acorns. - **Eaten by:** [California Scrub-Jay](https://www.snappit.app/explore/california-scrub-jay) (*Aphelocoma californica*) — Buries acorns, helping to spread seeds. - **Eaten by:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — Browses on leaves and young shoots. - **Shelter:** [Red-naped Sapsucker](https://www.snappit.app/explore/red-naped-sapsucker) (*Sphyrapicus nuchalis*) — Drills holes for sap and creates habitat. - **Symbiotic with:** Dye-ball Mushroom (*Pisolithus tinctorius*) — Fungus helps roots absorb water and nutrients. ## Traits - [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons. - [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight. - [Broadleaf Tree](https://www.snappit.app/explore/traits/broadleaf-tree): Broadleaf trees are angiosperms characterized by flat, wide leaves that are typically shed annually in temperate climates. - [Nut Bearing](https://www.snappit.app/explore/traits/nut-bearing): Nut bearing plants produce hard-shelled fruits, commonly known as nuts, which contain a single seed and are a valuable food source. - [Fall Color](https://www.snappit.app/explore/traits/fall-color): Fall color refers to the seasonal change in foliage pigmentation, primarily in deciduous plants, displaying vibrant hues. - [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals. - [Timber](https://www.snappit.app/explore/traits/timber): Timber refers to wood that has been prepared for use in building and carpentry. - [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind. - [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment. ## Collections - [Plants](https://www.snappit.app/explore/collections/plants) ## Safety **Danger:** 1/5 · Very low Stay away from the branches and don't climb the tree without an adult. ## Frequently Asked Questions ### How to identify valley oak? Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details. ### How tall is valley oak? 1500-3000 cm ### How wide does valley oak spread? 1000-3500 cm ### How big are the flowers on valley oak? 1-5 cm ### When does valley oak bloom? Spring ### Is valley oak edible? Yes ### Is valley oak toxic? Mild ### What is valley oak's lifecycle? Perennial ## Where to spot - [Black Diamond Mines Regional Preserve](https://www.snappit.app/guides/places/black-diamond-mines-regional-preserve) — California, US · Nature Reserve - [Conejo Valley Botanical Garden](https://www.snappit.app/guides/places/conejo-valley-botanical-garden) — California, US · Botanical Garden - [Desert Garden Conservatory](https://www.snappit.app/guides/places/desert-garden-conservatory) — California, US · Botanical Garden - [Jasper Ridge Biological Preserve](https://www.snappit.app/guides/places/jasper-ridge-biological-preserve) — California, US · Nature Reserve - [Ruth Bancroft Garden](https://www.snappit.app/guides/places/ruth-bancroft-garden) — California, US · Botanical Garden - [California State Capitol](https://www.snappit.app/guides/places/california-state-capitol) — California, US · Historic District [View all places to see valley oak](https://www.snappit.app/guides/where-to-see/valley-oak) ## More Plants - [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*) - [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*) - [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*) - [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) --- Source: [Valley Oak: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/valley-oak)