The trees flower in the spring, and the acorns mature about seven to eight months later. Pruning out whole branches can control the size a bit, open up a view and neaten up the tree's form. Should I be concerned about the branches over my house? It can be extremely long-lived (usually more than 250 years, even 600). California Live Oak, Coast Live Oak, Encino Verde Recommended Companion Plants. Ceanothus 'Concha'. Occupying the hottest and driest slopes of the Santa Cruz Mountains, chaparral plants form dense thickets and are adapted to little water and to wildfires. Grows 40-70 feet in urban areas. We use cookies on this website, you can read about them here. Quercus agrifolia. PHOTO BY A. KRINGS Each tree has both male and female flowers. Keep moist until germinated and at least 3-4 weeks after the seedling pushes out of the ground. For current distribution, please consult the Plant Profile page for this species on the PLANTS Web site. Old trees can reach 100 ft. (30 m). California Live Oak (Quercus agrifolia) California live oak, or coast live oak, is an evergreen species from the Fagaceae family. Distribution:Coast live oak occurs in the coast ranges from north central California southward to northern Baja California. It is widely valued for its rich green foliage, … Continue reading "Coast live oak" Best acorns sink in water, have a more or less even mix of green, yellow and brown color, and pop out of their caps easily. It grows on the west side of the Sierra Nevada and Coast Range mountains from about San Francisco south to northern Baja. Surround young specimens with mulch (a thick layer of oak leaves), rocks, or smaller native plants that will provide shade to the roots. Coast Live Oak typically has a much-branched trunk and reaches a mature height of 32-80 feet and can live around 250 years or more. The oil of the poison oak plant causes itching. Care of the coast live oak can be tricky. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Should the tree be removed? They are also fire-resistant; our native oak woodlands easily survived the fires of 1981 and 1989. It is common to see long, stringy lichen growing from coast live oaks in our watershed. Coast live oak. Poison oak is not related to the oak tree, but the leaves look somewhat similar and they grow in similar habitats, hence the name. All rights reserved. Create a membership account to save your garden designs and to view them on any device. A common species of foothills and coastal woodlands. © California Native Plant Society. In late spring new growth emerges and sheds all the foliage at the same time. Coast Live Oak (Quercus agrifolia). Most of its old leaves drop in early spring. Coast Live Oak Woodland. In other areas it is found among numerous other tree species (including other oak spacies) as part of foothill woodland or mixed evergreen forest. Flowering of coast live oak is triggered by warm temperature. We get many questions on how to care for these oak trees: Are they healthy? Oaks are among the most important wildlife plants. The Plants Database includes the following 2 subspecies of Quercus agrifolia .Click below on a thumbnail map or name for subspecies profiles. Live oak thrives and looks best with other California natives and Mediterranean plants, such as manzanita, ceanothus, lavender and rosemary. This vegetation typically occurs on north-facing slopes or in shaded ravines, and intergrades with coastal sage scrub or mixed chaparral on drier sites (Holland 1986). and Chinese Houses; in riparian areas in … Coast Live Oak. Native mostly to the coast side of California's Coast Range, and along streams draining into the Central Valley, ranges from the Mendocino County in the north to Mexico's Baja California. Has separate male and female reproductive parts on the same tree (monoecious). *Coast live oak, encina (Quercus agrifolia, Fagaceae) This is a 6- to 25-m.(20- to 82-foot) evergreen monoecious tree. ; Salvia sp. Not sure which Quercus - Oaks to pick?Compare All Quercus - Oaks, Great Plant Combination Ideas with Quercus - Oaks. It's an easy, large grower, ultimately reaching up to 80 feet tall and 100 feet wide. Bark Dark Gray, Furrowed or Smooth. With age, the smooth dark gray bark of the contorted, massive and gnarled trunk becomes thick and deeply furrowed. Live oak (Quercus virginiana) Apr; Sep–Nov. A wide variety of species work as either understory or companion plants with Coast Live Oak, including Coyote Brush; California Buckwheat; Coast Sagebrush; Toyon; California Coffeeberry; Woolly Bluecurls; Snapdragon Penstemon; Fuchsiaflower Gooseberry; California WildRose; Manzanita sp. and annual wildflowers including Poppy sp. Since the mid-1990's, thousands of oak trees have been killed by a bark-invading fungus in the genus Phytophthora. ; Ceanothus sp. Coast Live Oaks prefer to have their roots shaded. The fruit is a narrowly egg-shaped, brown acorn which matures about 7-8 months after pollination. Unlike the walnuts, these oaks are evergreen, and only a few herbaceous plants grow in the shade of their canopies. Coast Live Oak. On the Gulf Coast, Southern Live Oak Trees often support many types of epiphytic plants, including Spanish moss which hangs in long, weeping garlands. There are many plant remedies to the itching which we teach at Coast Live Oak School. Note this is the default cart. To create additional collections, you must be a paid member of our site. How often should I water my oak tree? Join now and start creating your dream garden! Some specimens may attain an age exceeding 1000 years. Tolerates a variety of soils but prefers a deep, well draining loam which it usually develops over time from leaf drop. Where it grows the whole microclimate changes. Coast Live Oak Forest (81310) Canyon Live Oak Forest (81320) Interior Live Oak Forest (81330) Tan-Oak Forest (81400) Interior Live Oak Woodland (71150) California Bay Forest (81200) Chaparral. Coast Live Oak enjoys the summer climate afforded by ocean proximity, and it is somewhat tolerant of aerosol-borne sea salt. U.S. Department of Agriculture hardiness zones for these oaks are 8 through 10 for coast live oak, 6 through 10 for interior live oak, and 7 through 9 for canyon live oak. Quercus agrifolia. Poison Oak. The following butterflies use Oaks as host plant: California Sister, Propertius Duskywing, Mournful Duskywing, Golden Hairstreak, and Gold-Hunter's Hairstreak. Flowers Inconspicuous. The root system consists of a deep taproot that is usually nonfunctional in large trees. The natural cycles of oak trees do make planting under them challenging, however. This woodland is dominated by evergreen coast live oaks (Quercus agrifolia) reaching 32 to 82 feet (ten to 25 meters) in height. Few trees are as colossal and awe-inspiring as the Live Oak Tree. Concha wild lilac. Grows up to 20-50 ft. tall and wide (6-15 m). Chaparral or coastal sage scrub are frequently upslope, with riparian vegetation in the stream. Often overlooked: Mulefat Coast live oaks typically have a multi-branched trunk with smooth, thick bark that can become contorted and gnarled as it ages. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas. Fagaceae. McMinn manzanita. Simple but stunning, this Mediterranean duo includes two... Use our interactive toolsto design your dream garden. Tree roots in southwestern California are associated with mycorrhizae that aid in water uptake during the dry season. Coast live oak develops extensive horizontal root branches and surface … Gold Medallion Tree (Cassia leptophylla). Leaves Elliptic and Hollylike, Dark Green, No Change, Evergreen. Revered and iconic California native. This is lace lichen (Ramalina menziesii), which is actually the California state lichen. It is occasionally found in native grassland savannahs. If such a tree happens to grace your landscape, you can count yourself lucky! Flowering takes place from February to April. Coast live oak develops extensive horizontal root branches and surface-feeding roots [18,35,128]. long (5-10 cm), while the female flowers are quite inconspicuous. This oak tree has a distinct look. Check these Great Plant Combination Ideas with Quercus - Oaks, A Great Looking and Low-Care Mediterranean Border, A Sparkling Mediterranean Garden with Aloe, Agave and Palms, An Eye-Catching Mediterranean Garden with Agave, Aloe and Pincushion, A Sparkling Mediterranean Garden with Aloe, Aeonium and Palms, A Striking Water-Wise Border with Agave, Cactus and Ocotillo, A Brilliant and Low-Care Mediterranean Border, A Beautiful Duo with Agave 'Blue Flame' and 'Blue Glow', 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24. Susceptible to several pests and diseases including Gold Spotted Oak Borer and Sudden Oak Death. Soil PH: 4.0 - 8.0, Bank Stabilization, Hedges, Deer Resistant, Bird Gardens, Butterfly Gardens, A wide variety of species work as either understory or companion plants with, Oaks are susceptible to several pests and diseases including Gold Spotted Oak Borer and Sudden Oak Death. Its crooked, spreading branches are clothed with leathery, oval, convex, holly-like, dark green leaves, 1-3 in. Fruits mature between August and October. For propagating by seed: Fresh seeds sow in fall outdoors or stratify to hold for spring sowing. Coast live oak occurs in a number of natural settings over a large part of the state, usually below 3,000 ft.. Several deep main roots may tap groundwater if present within approximately 36 feet of the soil surface. Cookies, This site is protected by reCAPTCHA and the Google, Eriogonum fasciculatum (California Buckwheat), Lavandula angustifolia (English Lavender), Native Plant Alternatives to Quercus acutissima (Sawtooth Oak), Native Plant Alternatives to Broussonetia papyrifera (Paper Mulberry), Want Garden Inspiration? Coast Live Oak Boething Treeland Farms grows over 1,200 varieties of trees, shrubs, perennials and specialty plants on ten California nurseries to serve the wholesale landscape and nursery industries throughout the Western United States and beyond. The most distinguishable characteristic of a coast live oak leaf is the collection of fibrous hairs in the corners of the veins on the underside of the leaf. The coastal fog supplies relief from the rainless California summer heat. Flowers in Spring. Over time it can reach specimen sizes, 30-60 ft. tall and 40-70 ft. wide, and function as the cornerstone of residential and commercial landscapes. Plant acorns on their sides, at depth of 1.5x its diameter. Evergreen. Plant in 'groves' or with Arctostaphylos, Pinus, or Ceanothus. As much as possible, avoid pruning large limbs as this exposes the tree to possible infection and can take many years to recover. Pseudotsuga menziesii. Coast Live Oak Details ; Plant Type: Tree: Deciduous/Evergreen: Evergreen: Growth Habit: Oval: Growth Rate: Moderate: Size: 30-40 ft. tall & wide: Flower Season: Winter Coast live oak is the only California native oak that actually thrives in the coastal environment, although it is rare on the immediate shore; it enjoys the mild winter and summer climate afforded by ocean proximity, and it is somewhat tolerant of aerosol-borne sea salt. While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. Only plants will be removed from the collection. Propagation by acorns is relatively simple. Other good companion plants for Quercus agrifolia, to name a few, are Salvia mellifera, Trichostema lanatum, Keckiella cordifolia, and Eriogonum fasciculatum. The magnifi cent live oak thrives both on dunes, where constant wind maintains the tree in a gracefully molded, dwarfed stature, and in sheltered areas away from the ocean, where calmer conditions favor the development of its iconic, broad crown. To use the website as intended please  A beautiful California native, Quercus agrifolia (Coast Live Oak) is a large evergreen tree adorned with a short, stout trunk and a dense, broadly rounded crown. Name: Coast Live Oak (Quercus agrifolia)Family: Oak (Fagaceae) Flowering Season: February thru April Notes: A native evergreen tree, it is not deciduous, which makes it appear "live" year-round.Its leaves are small, waxy, and spiny, which is a dry-climate adaptation, and the acorns are thin and pointed . Redberry. The acorns are a valuable source of food for small mammals and birds. Examples of this include the Grand Oak of Cherry Valley, California , the Encino Oak Tree, which died in the 1990s (part of the stump has been preserved) and the Pechanga Great Oak. Matilija poppy + cv. Arctostaphylos 'Howard McMinn'. We lost some Coast Live Oaks in the ground in the freeze of 1990. Avoid over-thinning interior branches or "lion tailing.". The leaves of coast live oaks are evergreen and resemble holly leaves. The Coast Live Oak is protected by numerous city and county ordinances. Deleting this collection CANNOT be undone. Easiest-Growing Oak Available Why Live Oak Trees? Douglas Fir. (USDA Forest Service 1974). Annual Precipitation: 5.7" - 66.6", Summer Precipitation: 0.14" - 3.04", Coldest Month: 36.8" - 56.8", Hottest Month: 58.0" - 85.4", Humidity: 0.41" - 36.26", Elevation: 2" - 7280", Creative Commons Attribution-ShareAlike License, PRISM Climate Group, Oregon State University. Here are some important facts on caring for you coast live oak, whether you planted it or the tree has been around for years. Quercus agrifolia or Coast Live Oak has a pronounced effect on the way we landscape. Flowers are produced in spring: the male flowers are pendulous catkins, 2-4 in. Quercus agrifolia. Prolific, Brown Acorn, Large (1.50 - 3.00 inches), fruiting in Fall or Winter. Accept The best prevention for these maladies is to avoid moving firewood outside the area where it was grown and sterilizing pruning instruments after each use.. Best to prune during July or August, when the trees are not normally growing, and when the dry weather is less likely to support pathogens that may attack the wounds. Like walnut woodland, oak woodland is dominated by a single tree species, in our area the coast live oak (Quercus agrifolia). The description of these plants has been written based on numerous outside resources. Loves.....The deep forest as much as the edge Bark .....Grayish brown Leaves.....Sharp teeth on the edges, one side shiny while the other is fuzzy Acorns.....Oblong with a fringed cap and end in a tip Height.....20 feet. Both inland Valley Oaks and the Coast Live Oak can live to hundreds of years, grow into beautiful gravity-defying specimens, and support entire habitats within their surroundings. A network consisting of roots from 3 coast live oak trees and their and as… Eriogonum fasciculatum (California Buckwheat) is... Rosmarinus officinalis (Rosemary) is a. A great many birds, mammals, reptiles and invertebrates utilize oak trees and oak woodlands. Loves Rhamnus crocea. The trees can live for hundreds of years, insulated from fire damage by their thick moist bark and sprouting ability. for Coast Live Oak Coast live oak (Quercus agrifolia) is a highly prized landscape tree which is native to coastal areas of California. It is ideally suited for specimen planting on large residential properties, commercial sites and parks where there is ample space to accommodate the massive, spreading crown. Home Plant Lists Tree List California Native Plants Drought Tolerant Plants Dry Shade Garden Shade Garden Full Sun Plants Deer Resistant Plants Drought Tolerant Trees. Coast live oak typically has a much-branched trunk and reaches a mature height of 10–25 meters (33–82 ft). long (2-7 cm). Each tree and tree location presents … Several deep main roots may tap groundwater if present within approximately 36 feet (11 m) of the soil surface [31,35,128]. The root system consists of a deep taproot that is usually nonfunctional in large trees [35,128]. Rejuvenates well after wind damage. It is often seen in valleys and slopes near (but not in) streams where it is the dominant species in live oak woodland. Do they need to be trimmed? The Coast live oak is one of the most distinctive and widely recognized trees native to many parts of the Inland Empire. A magnificent and picturesque tree for large areas, bank stabilization or sheared to form an evergreen hedge. The coastal fog supplies relief from the rainless California summer heat the coastal fog supplies relief from the rainless summer! West side of the soil surface [ 31,35,128 ] male flowers are pendulous catkins, 2-4 in the flowers!. `` mature height of 32-80 feet and can take many years to recover easy, (. Over my house of oak trees have been killed by a bark-invading fungus in the spring, and acorns. Fruit is a narrowly egg-shaped, Brown Acorn, large ( 1.50 - 3.00 inches ), the! Trees [ 35,128 ]: are they healthy fog supplies relief from the rainless summer... Profile page for this species on the Plants Database includes the following 2 of... 100 feet wide trunk with smooth, thick bark that can become contorted and gnarled it! 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Any device Fall or Winter seed: Fresh seeds sow in Fall outdoors or stratify to hold spring.

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