Plants starting with A

Acacia species

Acacia species

Acacia spp.

Acacia melanoxylon (Black Acacia) is very quick-growing tree to 40 feet tall or much more with a 20 feet wide and in maturity an oval shaped crown. It has rough dark gray bark with vertical fissures and mid-green leaf-like flattened stems, called "phyllodes", that are 3 to 5 inches long by about an inch wide with one margin straight and the other curved. Small creamy flowers are in a small ball-like cluster from late winter into spring and are followed by thin curling seed pods that hang in brownish sheaves. A durable tree for quick growth, screening and erosion control, however its fire prone nature makes it unsuitable for WUI locations in Marin. The aggressive roots can lift sidewalks, damage foundations and plumbing and together with leaf, seed pod and branch litter and its propensity to sucker and reseed, makes this tree not ideal for street plantings or near living areas.

  • Acacia species
  • Recommendation: Remove
  • Fire Resistance: Poor
  • Native: No
  • Acacia species

Aeonium

Aeonium

Aeonium spp.
  • Aeonium
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No
  • Aeonium

African Iris

African Iris

Dietes bicolor
  • African Iris
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No
  • African Iris

African Sumac

African Sumac

Rhus lancea
  • African Sumac
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No
  • African Sumac

Agave

Agave

Agave spp.
  • Agave
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No
  • Agave

Aloe

Aloe

Aloe spp.
  • Aloe
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No

Alpine Cinquefoil

Alpine Cinquefoil

Potentilla neumanniana
  • Alpine Cinquefoil
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No
  • Alpine Cinquefoil

Angel's Trumpet

Angel's Trumpet

Brugmansia spp.
  • Angel's Trumpet
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: No
  • Angel's Trumpet

Arborvitae

Arborvitae

Thuja spp.

Thuja is a genus of coniferous trees in the Cupressaceae (cypress family). There are five species in the genus, two native to North America and three native to eastern Asia. The genus is monophyletic and sister to Thujopsis.

They are commonly known as arborvitaes, (from Latin for tree of life) thujas or cedars.

Thuja are an extremely fire prone species, and shoud not be planted in the defensible space zone or near driveways or roadways.

  • Arborvitae
  • Recommendation: Remove
  • Fire Resistance: Poor
  • Native: No
  • Arborvitae

Ash

Ash

Fraxinus spp.

Fraxinus (ash) species recommended for Marin:

Fraxinus dipetalaCALIFORNIA ASH

Fraxinus dipetala - photo

  • Utility friendly tree.

    Foothill Ash is a commonly occurring native riparian habitat shrub or small tree. It is sometimes used as a garden tree, and when the foliage canopy is pruned up to expose the trunks, it makes an attractive multi-trunk tree or garden specimen. The showy flower clusters in late spring make it useful as a flowering accent tree in a native garden setting. Its height rarely exceeds 25'.

    Native to California.

    Trees may be referred to as male or female.

    Fraxinus dipetala in Lake County is registered as a California Big Tree. It measures 32 feet high, with a trunk circumference of 39 inches and a crown spread of 34 feet.

Fraxinus latifoliaOREGON ASH

Fraxinus latifolia - photo

  • Riparian species.

    Native to California, Oregon, and Washington.

    Trees may be referred to as male or female.

    Fraxinus latifolia in Scicon is registered as a California Big Tree. It measures 76 feet high, with a trunk circumference of 120 inches and a crown spread of 46 feet.

Fraxinus ornusFLOWERING ASH

Fraxinus ornus - photo

  • Smog tolerant. Prolific seed producer, showy white flowers. Requires a moderate amount of water. Hardy to 0 degrees F.

    Has fragrant Flower.

    Native to Southern Europe and Asia Minor.

    Trees may be referred to as male or female.

  • Ash
  • Recommendation: Prefer
  • Fire Resistance: Very Good
  • Native: Yes
  • Ash

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