After one more eucalyptus is removed, attention will shift in 2013 to Panhandle tree planting
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| Blue Gum to be marked for removal |
Another large eucalyptus - a Blue Gum tagged as #302 that is a familiar sight at Fell Street at Clayton - will be marked this week, giving notice to local residents that it is to be removed. Melinda Stockmann at the SFRPD explained that a decay test found extensive decay in the lower trunk. The department plans to remove it within weeks, to abate a hazard before the remainder of the storm season.
That Blue Gum suffers the same fate of several
other Panhandle trees - mostly eucalyptus and one large acacia - sent to the chipper this year. A few other trees that had been marked for possible removal ended up getting a major pruning instead. While safety was the driver behind the pruning and removals, some people have been sad to see the end of these trees, especially given their old age and enormous stature.
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| Opening for treeplanting |
After this last removal, the emphasis next year will be on a major tree planting. Park forestry is a program of the
2008 Clean and Safe Neighborhood Parks Bond, and is also included in the new, $195 million
2012 Parks Bond that received voter approval in November. While a schedule for implementation is not yet in place, the city has developed a draft species list for Panhandle replanting and has defined five replanting zones within the Panhandle - four between Stanyan and Masonic, while just one of the zones is east of Masonic.
An example of the zones is this open area near Oak between Cole and Shrader, where the acacia had been.
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Cypress and eucalyptus standing tall along
Oak Street won't be replicated |
But the number of new trees - about 40, according to the department's initial plans - is much larger than the number of trees removed this year. And the plan for planting attempts to prevent some of the problems that have turned into management headaches. For one thing, eucalyptus - which is still abundant in the Panhandle, and which besides
dropping large limbs, also drops leaf and bark litter year-round - will not be planted in the Panhandle next year. Also, to reduce property damage from limbs falling on parked cars, any tree planted close to Oak or Fell will be species that don’t reach giant stature. Instead, Michelia (
michelia doltsopa), Sweetgum (
liquidambar styraciflua) and Maidenhair (
gingko bliloba) are suggested as trees to plant somewhat close to the streets.
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| Trees growing about 3 feet from the bike path |
Most trees in the Panhandle grow several feet away from the pathways. Standards for pathway design dictate a minimum of three feet, and recommended even greater distance. While the department hasn't committed to a specific distance [see update below], they said they would keep new trees planted away from paths. It’s not only a matter of not wanting people to run into the trees, it’s also to keep their hanging branches and their drip lines (the circumference in which the leaves drip fog and mist) away from the path.
UPDATE 12/9/12:
I received the following note from the department: For the Park Forestry Program Replanting Plan, we are committing to planting trees no closer than 10’ from paved paths (bike and pedestrian) and street edges.
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| Open spaces allow full sun on the basketball courts |
The department has also heard that neighbors who enjoy the Panhandle’s open, sunny areas want to maintain the open meadows. Although some new trees will be planted along the edges of meadows, these plantings will be done to create a succession of smaller to larger trees and so it could be done without shading out meadows. Likewise, I hope that trees aren't planted on the south side of the basketball courts to block the afternoon sun.
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| Additional planting could shield the staging area |
Also, recent management practices in the Panhandle have increased openness and visibility, rather than form a shrubby wall or fortress effect with trees and other plants. That general practice will be maintained with next year's planting. However, there is one place where a row of dense trees may be planted, along the tongue of pavement that extends east of the basketball courts. In this area, park staff temporarily stage leaves and branches before removing them by truck to the parkwide compost yard. A row of trees - complimenting three yews that survive from a planting long, long ago - is planned for that location, and that’s one area where it makes sense to create a kind of shield.
Besides these species previously mentioned, additional trees on the draft species list are Monterey Cypress, Giant Sequoia, Chilean Wine Palm, Copper Beech, Queensland Kauri, Lily of the Valley tree, two species of Magnolia, Monkey’s Hand Tree, Red Horse Chestnut, Norfolk Pine, Dawn Redwood, and Tulip Tree.
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