Moreton Bay Fig Tree, Balboa Park - San Diego, CA
Posted by: Groundspeak Premium Member silverquill
N 32° 43.969 W 117° 08.866
11S E 486154 N 3621677
Quick Description: This Moreton Bay Fig tree is located in San Diego's Balboa Park. Planted in 1914, it now has a girth of 42 feet, a height of 80 feet and a canopy of 145 feet. Park near the Fleet Science Museum and walk north.
Location: California, United States
Date Posted: 2/5/2008 2:32:44 PM
Waymark Code: WM33ZW
Published By: Groundspeak Regular Member Black Dog Trackers
Views: 179

Long Description:

Moreton Bay Fig
Ficus macrophylla

The remarkable large tree to the north of the museum is a Moreton Bay Fig tree, which—like most of the other large trees in the Prado area of Balboa Park—was planted in preparation for the 1915 exposition. The 1914 planting list for the exposition shows a five-gallon fig tree planted at this location. Since it was a few years old at the time it was planted, its age should probably be computed from about 1910, making over 90 years old in 2002. While many people would like to attribute its planting to Kate Sessions, San Diego's pioneer horticulturist and street tree planter, there is no documentation to verify this claim.



This tree is listed in the California Registry of Big Trees as one of the champion trees of the state. According to the registry, the tree measured in 1996 about 78 feet (24 meters) high, with a crown width of 123 feet (37 m) and a trunk girth of 486 inches (12.3 m). It shares the title for this species with the famous Moreton Bay Fig tree of Santa Barbara, California, which has a broader canopy but is not as high.

Many people who grew up in San Diego remember climbing around the roots of this tree as children, while their families enjoyed picnics in the cool shade. Unfortunately, heavy foot traffic caused soil compaction and damage to the delicate surface-feeding roots of the tree, preventing it from obtaining nutrients and water, and the tree began to decline. It was trimmed and fenced off in 1989, mulch was allowed to accumulate, and the tree has recovered and once again shows thick, glossy foliage. As it has recovered it has begun to show the aerial roots that are characteristic of fig trees. In the wild, these roots would have been growing since the early youth of the tree, and would have reached the ground and developed into stout, woody props to help support the heavy branches.

The small dry fruits of the Moreton Bay Fig--like those of other figs--are actually composed of hundreds of tiny flowers completely enclosed within the inverted fleshy tissue of the receptacle upon which they rest. A tiny hole (called an ostiole) in the tip of the fruit allows minute symbiotic wasps, which pollinate and lay their eggs within the flowers, to enter and leave the structure.

Ficus macrophylla is a native of east Australia. When it is grown in an open area where it can spread, the Moreton Bay Fig may become as much as 150 feet wide; but crowded in its natural forest habitat--or near buildings in an urban setting--it tends to grow tall and narrow.

SOURCE: Website listed below
Genus/Species: ficus macrophylla

Height: 80

Girth: 42

Method of obtaining height: Reliable source

Method of obtaining girth: Reliable source

Location type: Park

Age: 98

Historical significance:
Planted prior to the 1915 Panama-California International Exposition in what is now Balboa Park.


Website reference: [Web Link]

Parking coordinates: N 32° 43.530 W 117° 08.812

Walk time: 5

Planter: Not listed

Photograpy coordinates: Not Listed

Visit Instructions:
A closeup picture of your GPS receiver in your hand, with the tree in the background, is required. If the tree is on private property, this closeup photograph with the tree in the background may be taken from the nearest public vantage point without actually going to the tree.
The required photograph does not need to show the entire tree, but the individual tree must be recognizable.
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Recent Visits/Logs:
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