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Little Leaf Palo Verde, Foothill Palo Verde
Parkinsonia microphylla

Family: Caesalpiniaceae (ses-al-pin-ee-AY-see-ee) (Info)
Genus: Parkinsonia (PAR-kin-son-EE-a) (Info)
Species: microphylla (my-kro-FIL-uh) (Info)
Synonym:Cercidiopsis microphylla
Synonym:Cercidium microphyllum

Category:

Shrubs

Trees

Height:

10-12 ft. (3-3.6 m)

12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)

20-30 ft. (6-9 m)

30-40 ft. (9-12 m)

Spacing:

12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)

20-30 ft. (6-9 m)

Hardiness:

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Pale Yellow

Bloom Time:

Late Winter/Early Spring

Mid Spring

Late Spring/Early Summer

Foliage:

Deciduous

Other details:

This plant is attractive to bees, butterflies and/or birds

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

Scarify seed before sowing

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Regional

This plant has been said to grow in the following regions:

Ajo, Arizona

Catalina, Arizona

Green Valley, Arizona

Peridot, Arizona

Phoenix, Arizona

Salome, Arizona

show all

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Sep 24, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

No thorns on the trunk, but the branch tips have them.
Green-yellow trunk, small leaves, irregular quasi growth structure.
Occasional deep watering for better foliage.
Provides just about the right amount of shade for some cacti.

A comparison between the flowers of five Palo Trees
--The Mexican Palo Verde (Parkinsonia aculeata), the upper petal starts out with red dots that eventually grow bigger and turn the entire top petal to red.
--The Palo Brea (Parkinsonia praecox), the upper petal has smaller & fewer red dots than the Mexican Palo Verde (P. aculeata) that don't grow bigger.
--The Blue Palo Verde (Parkinsonia florida), the upper petal is always a solid yellow just like the other four petals.
--The Little Leaf Palo Verde ... read more