Photo by Melody

PlantFiles: Palo Brea, Sonoran Palo Verde
Parkinsonia praecox

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Family: Caesalpiniaceae (ses-al-pin-ee-AY-see-ee) (Info)
Genus: Parkinsonia (PAR-kin-son-EE-a) (Info)
Species: praecox (pray-koks) (Info)

Synonym:Cercidium plurifoliolatum
Synonym:Caesalpinia praecox
Synonym:Cercidium viride
Synonym:Cercidium spinosum
Synonym:Cercidium praecox

4 members have or want this plant for trade.

Category:
Perennials
Trees

Height:
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)

Spacing:
15-20 ft. (4.7-6 m)

Hardiness:
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)

Sun Exposure:
Full Sun

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

Bloom Color:
Pale Yellow
Bright Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Evergreen
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:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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to view:

By Xenomorf
Thumbnail #1 of Parkinsonia praecox by Xenomorf

By Xenomorf
Thumbnail #2 of Parkinsonia praecox by Xenomorf

By Xenomorf
Thumbnail #3 of Parkinsonia praecox by Xenomorf

By Xenomorf
Thumbnail #4 of Parkinsonia praecox by Xenomorf

By Xenomorf
Thumbnail #5 of Parkinsonia praecox by Xenomorf

By Xenomorf
Thumbnail #6 of Parkinsonia praecox by Xenomorf

By Xenomorf
Thumbnail #7 of Parkinsonia praecox by Xenomorf

There are a total of 22 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive sun_baked_in_AZ On Oct 13, 2005, sun_baked_in_AZ from Maricopa, AZ wrote:

1st year from nursery; planted in Feb. slow to leaf out but once the hot weather hit it started growing very fast. Nursery person said you could stake outer branchs to grow upwards like a bowl.

Positive Xenomorf On Oct 5, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Wonderful full yellow color when it blooms in May.
Hybrids lose the green color in the bark.

Other synonyms include: Cercidium australe & Cercidium goldmannii.

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 (parkinsonia microphylla), the upper petal is solid, all white, and the remaining petals are yellow.
--The Palo Brasil (Haematoxylum brasiletto), has flowers similar to Parkinsonia sp., and the top yellow petal has red dendritic streaks.

Regional...

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

Green Valley, Arizona
Lake Havasu City, Arizona
Maricopa, Arizona (2 reports)
Peoria, Arizona (2 reports)
Phoenix, Arizona
Indio, California
Redlands, California
San Diego, California (2 reports)



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