Tree Care and More

Tree Care and More

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All About Street Trees

Street trees are trees that are recommended for planting near sidewalks and medians in urban environments. They are slow growing and because of this, the roots of these trees are less likely to destroy sidewalks and roads. This makes them ideal for pedestrian areas. These are also recommended for placement near power lines.


At AAA Arbor First, we're well versed in the best type of street trees for every location and situation.

Popular Types of Street Trees

Two of the most common problems encountered with trees on the Central Coast are Ganoderma root rot and oak root fungus.

  • Evergreen Maple

    Acer Paxii

    • Semi-evergreen
    • Small green flowers appear with leaves

  • Silk Tree, Mimosa

    Alibizia julibrissin

    • Deciduous
    • Flowers around late summer
    • Pests: webworms and mealybugs
    • Mimosa wilt
    • Needs pruning
    • Heavy flower droppings
    • Low spreading

  • Hong Kong Orchid Tree

    Bauhinia blakeana

    • Partially deciduous
    • Flowers bloom in winter

  • Purple Orchid Tree

    Bauhinia variegata

    • Semi-evergreen
    • Flowers in spring
    • Most commonly planted orchid tree

  • Crown of Gold Tree

    Cassia excelsa

    • Semi-evergreen
    • Bright yellow flowers in late summer

  • Gold Medallion Tree

    Cassia leptophylla

    • Nearly evergreen
    • Deep yellow flowers through July and August, 16" pods
    • Low branching, spreading habits require careful training
    • Prune after flowering, pods create litter problems

  • Eastern Redbud

    Cercis canadensis

    • Deciduous
    • Magenta flowers in summer, fruits in summer. New seed pods hold through winter

  • Chinese Fringe Tree

    Chionanthus retusus

    • Deciduous
    • Flowers from April to July, female trees will produce berries by late summer

  • Chitalpa

    Chitalpa tashkentensis

    • Deciduous
    • Flowers bloom from May to November
    • Flowers are not pedestrian hazard
    • High wind tolerant
    • Shelter from ocean winds at sea coast exposure
    • Hybrid species between Catalpa and Chilopsis species

  • Bronze Loquat

    Eriobotrya deflexa

    • Evergreen
    • Flowers from December through March, Pomes from February to May
    • Spreading habit requires judicious pruning
    • Pests: fire blight, powdery mildew, scale

  • Raywood Ash, Claret Ash

    Fraxinus oxycarpa

    • Deciduous
    • No flowers
    • Tolerant of a wide variety of soil types
    • Prefers sandy to clay loam

  • White Mulberry, Silkworm Mulberry, Fruitless Mulberry

    Morus alba

    • Deciduous
    • No flowers
    • Pollution tolerant
    • Adapted to withstand dry conditions, sandy to heavy clay, salinity, alkalinity, heat and strong winds
    • Pests: sooty canker, spittlebug
    • Stress tolerant
    • Heavy producer of pollen in March and April
    • Large leaves can cause litter

  • Rhaphiolepsis

    Rhaphiolepsis

    • Evergreen
    • Flowers bloom in late spring, some flowering from late fall to spring
    • Pests: Aphids, fireblight
    • Pruning helps shape the tree and avoid conflict

  • Water Gum, Small leafed Tristania, Swamp Myrtle

    Tristania laurina

    • Evergreen
    • Flowers mostly May-July
    • Tolerates light shade
    • Moist conditions

For a more comprehensive list of street trees or for more information, please visit the Street Tree Seminar, Inc website.

Choosing the Right Tree for You

When it comes to varieties of trees, the list is endless. Between the sheer number of species and the addition of hybrids, it seems infinite, but the question remains: which tree is right for you?


In an effort to answer this question, there is one additional one you must ask that is very often overlooked: Where do you live?


This is important because not all trees fair the same in every climate and a difference of a few miles could make all the difference between life and death for your investment. That is where the idea for "right tree, right place" comes into play. Just as the country is divided into states, and the states into counties, there are also climate zones.

Choosing the Right Tree for You

Climate zones represent five important factors that make each climate unique:

  • Latitude

    The generally accepted rule is the farther you move away from the equator, the longer and colder the winters. The closer you get to the poles the number of daylight hours increase in the summer and decrease in the winter.

  • Elevation

    Higher elevated gardens tend to see longer, colder winters. This is often accompanied by intense sunlight and lower temperatures at night.

  • Ocean influence

    Pacific Ocean weather tends to be mild and moist in the cool season.

  • Continental Air Influence

    The North American continent creates its own weather, which is generally colder in the winter, hotter in the summer and more likely to get precipitation than coastal regions. As you move farther inland these effects become stronger. Wind becomes a bigger factor especially in open regions such as the plains.

  • Mountains and Hills

    Mountains and hills provide barriers which will determine whether the area will be subject to more marine air or continental air.


    For example, coastal ranges take some of the marine influence out of the air as it flows towards the east. On the eastern side of the Rockies, the air tends to be dominated by arctic and continental air. The mountains in Hawaii pull moisture from the air which gives the large islands distinctive wet and dry sides.

  • Micro-Climate

    Though it was not listed originally, micro-climate is especially important because while you may live in a generally cooler area you might find that certain areas close by seem to be slightly warmer.


    For example, south-facing slopes get more solar heat than flat land, while northern slopes get less. The slope also plays a role in the movement of heat. Warm air rises, cold air sinks. Hillsides in winter are colder than the hilltops above or the ground below. This is called a thermal belt and flat areas where cold air flows are called cold air basins. Micro-climate affects every garden.

  • Eastern Redbud

    Cercis canadensis

    • Deciduous
    • Magenta flowers in summer, fruits in summer. New seed pods hold through winter

Choosing the Right Tree for You

California's Central Coast is dominated by three climate zones: 15, 16 and 17.

Climate Zone 15

Climate zone 15 runs from Cambria through Santa Maria. It has a wide growing season that goes from March to November. Some important characterizations are moist atmosphere, cool summers and mild winters.


A few larger central coast towns within this zone are San Luis Obispo, Arroyo Grande, Nipomo and Santa Maria.

Climate Zone 16

Climate zone 16 runs from Monterey to Lompoc. Its growing season ranges from the end of February to the end of November. It's considered one of the finest horticultural climates in Northern California and consists of thermal belts dominated by ocean air 85% and inland weather 15% of the time.


Its typical lows are between 32-19 degrees and gets more heat in summer than zone 17 and has warmer winters than zone 15.

Climate Zone 17

Here, the growing season ranges from March to early December. It is dominated by ocean air 98% of the time. It has mild, wet and almost frostless winters and cool summers with frequent fog or wind. The fog reduces the intensity of light and sunshine, which affects the more heat-loving plants, which could lead to fewer flowers / fruits.


The lows range from 36-23 degrees and highs during the summer range from 60-75 degrees. The larger towns within this zone are Morro Bay, Pismo, Cambria, San Simeon, Monterey and Santa Cruz.

Small to Medium Sized Trees

  • Silk Tree or Mimosa
  • Hong Kong Orchid Tree
  • Purple Orchard Tree
  • Crown of Gold Tree
  • Gold Medallion Tree
  • Eastern Redbud
  • Chinese Fringe Tree
  • Chitalpa
  • Bronze Loquat
  • Raywood Ash / Claret Ash
  • White Mulberry / Silkworm Mulberry / Fruitless Mulberry
  • Rhaphiolepis
  • Water Gum / Small-Leafed Tristania / Swamp Myrtle
  • Paxii Maple / Evergreen Maple / Oblong Maple
  • Purple Leaf Plum
  • Japanese Maple
  • Weeping Bottlebrush
  • Pygmy Date Palms

A Family-Owned Business

Founded in 1980, AAA Arbor First is a family-owned company led by Certified Arborist Robert Schreiber. Give us a call at (805) 458-0265 for more information and if we miss your call, you'll hear back within 24 hours.

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