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Statue of Liberty National MOllumJ!nI Statue of Liberty Narional Monument
FEATURE DATA LONDON PLANE TREE CALENDAR - SPRING
CATEGORY: Deciduous Tree
FOR ALL TREES -
AREAS: 4-SoulhLawn
FEATURE NAME: London Planetn=e (Platanus xaccrifolia) I.r.amlIJ,an1.Springisthtbesttimc:lOU'ansplaru~.
SOURCE OF lDENTIFICATlON: Al Farrugkl,.sTU Horticulturist. 1992 Usnil or!r.aranalysj. jOOk;aI(Slbalft:oiljn:risnccdcd, late fall is thtbc:st timc: to fenilize
~ . However, fertilizer may also be applied in early Spring. before bud break. Use an
DESCRIPTIVE CHARACTERISTICS: organic fertilizer willi the micronutricnlS needed, sucli IlS manganese. Iftht lawn area
The: fruit of London Plane Tree is typically in clusten of2, leave$ are large, S -10' widlh below the trees is rt:eeiving fertilizer, additional fertilizer is 001 nccessary. Ligbtannual
whereas the fruit of American Sycamore is singular, and leaves are slightly smaller.
pruning throughout the tree tends to reduce tht amouru of fertlizer ntt.ded.
HlSTORIC SIGNlflCANCE:/ APPEARANCE! INTENT:
London Plane trees ~re specified in the Genenl Developmeru Plan by Norman Newton in LONDON PLANE TREES-
1937 (Newton, N. T . Design on the Land. Harvard University Press, 1971, p. S43).
~ Take prevelU.Btive IIClions 10 protecl tht base ofeJ(:h tree from string
PRESERVATION PRACI'ICES AND WORK PROCEDURES: trimmer damage. Train all equipmeru operaton.
Wintet'- Monitor a'" trr'l'nrhracoosc Prolonged periods of cool, mobt, damp spring weather will
I:DuJr:: out dead, damaged wood and watcrsproulS as needed . Inspect for interior decay and increase anthracnose. The: best times 10 control anthracnose are before bud break, at bud
pest damage. Disinfect toolS betwc:cn CUls 10 prevent spread ofcankenl.lin disease.
break, and when leaves haveexpatUed.
Spring -
~ Take preventative actions to protect the basc: ofeacb tree from string LlNDENS-
trimmer damage. Tnin all equipment operaton.
Monjro[,od !m! 'n!bracoosr Prolonged periods of cool, moist, damp spring weather will
fnuIu!ul crossing branches on young trttI.
increaseanlhracnose. The: best timcl 10 comrol antbracnose are befure bud break,at bud
break,andwbenleavcshaveexpanded. LAWN-
I.wlsp.I.aDl. Spring is the best timc: to transplant trees.
SUIDIDff'- ~ in the early spring to remove mattcd graS$ and accumulated debris. De-
Yla.ltL.newly transplanted trees so that thty reeeiveone illCh of water every 10 days. To thatch lawn areas where match accumulation excceds 3f4 of an incb.
water. set up water bags around tht base of tht tree at the end of tht day. Remove empty
bags in the morning. Do 001 overwater. Aeon,. with. mrr 'CrntQr, lawn areas that are heavily compacted. However, do not aerate
Fan - aroundthetltl'sbecauscofshallowroou.
BaG.. up LolKion Plane tree leaves Ind dispose off sill' to remove anthracnose inoculum.
fkRjD rMwjnp aoo trjmming oncfJIjODS Instruct In equipmeru opeaton on how to prevent
PESTS. DISEASES AND CID..TURAL PROBLEMS;
Pesls · Plum Borer, La;anium Scale. Sycamore Lace Bug, Aphids, Fall Webworm damage to tn=e trunb.
Diseases - Anthracnose. Cankerstain, WClwood, Powdery Mildew ~ Send soil samples to Coopcnltive EAtcnsionService for analysis of pH,
Culrural Problems - Susceptible to drought stress, frequently produces watersproulS, often
vandalized by carving in bark. phosphorus and poI.Issium levels. Apply lime and fenilizer as necessary to adjUSt tht soil
condition
RECOMMENDED METHOD AND SOURCE OF REPLACEMENT: Replace in-kind
with nursery slock. Consider anthnK:nose resistant cultivan that an: similiar in size and &I::tiliz,c. in latc May or early June willi an organic fertilizer with an analysis ofS-4-3 or
cbaracter 10 tht stnight species. equi~alelll . Apply at a rate of one pound of nitrogen per 1000 square fect. This b the first
oflhrec annual Ipplications.
PROPAGATION METHOD; Take root cunings in July or Augusl. Treat wilh IBA. 1I1'llt,
Inspect lawn areas for pe515 (grubs) and disease (leaf spot. leaf smut) damage.
ADDITIONAL SOURCES OF INFORMATION: t'\'t!!;
Shigo, Alex L. A New Tree Biology. Durham NH : Shigo & Trees, Assoc., 1986 tI l l It! ,
Sinclair, Lyon & Johnson. Diseases of Trees & Sbrubs. Ithaca NY : Cornell U. Press, 1981. t :+1
Figure C - Feature Data: For each feature that Figure D - Calendar for Monitoring and for Figure E - Record Keeping: A record sheet is
requires special care, a detailed sheet is Work: All feature-specific monitoring and work created for each type of feature. Maintenance
developed. This contains notes on when to recommendations are combined into one seasonal staff may record information relating to changes
monitor and carry out work, specific procedures, calendar for all areas of the landscape to ensure in condition, major work performed, removal,
cite potential problems, and perform repair or that important work activities are not replacement, propagation and any other events.
replacement. overlooked. As records are added too through the years, they
become a valuable source of documentation of the
landscape's history.
Because landscapes change through the seasons, specifications highlighted. Ideally, this information should be shared with
for ongoing preservation maintenance should be organized in interested national organizations for further dissemination
a calendar format. During each season or month, the calendar and evaluation.
can be referenced to determine when, where, and how The need for further research or additional activities should
preservation maintenance is needed. For example, for some also be documented. This may include site-specific or
trees structural pruning is best done in the late winter while contextual historical research, archeological investigations,
other trees are best pruned in the late summer. Serious pests pollen analysis, search for rare or unusual plant materials,
are monitored at specific times of the year, in certain stages of or, material testing for future applications.
their life cycle. This detailed calendar will in turn Identify Finally, in consultation with a conservator or archivist-to
staff needs and work priorities.
maximize the benefit of project work and to minimize the
Depending on the level of sophistication desired, one potential of data loss-all primary documents should be
approach to documenting maintenance data and recording organized and preserved as archival materials. This may
change over time is to use a computerized geographical or include field notes, maps, drawings, photographs, material
visual information system.B Such a system would have the
samples, oral histories and other relative information.
capability to include plans and photographs that would focus
on a site's landscape features. Summary
If a computer is not available, a manual or notebook can be The planning, treatment, and maintenance of cultural
developed to organize and store important information. This landscapes requires a multi-disciplinary approach. In
approach allows managers to start at any level of detail and to landscapes, such as parks and playgrounds, battlefields,
begin to collect and organize information about landscape cemeteries, village greens, and agricultural land preserves-
features (see Box opposite and above). The value of these more than any other type of historic resource-communities
maintenance records cannot be overstated. These records will
rightly presume a sense of stewardship. It is often this grass
be used in the future by historians to understand how the
roots commitment that has been a catalyst for current research
landscape has evolved with the ongoing care of the
and planning initiatives. Individual residential properties
maintenance staff.
often do not require the same level of public outreach, yet a
Recordin~ Treatment Work and Future systematic planning process will assist in making educated
Research "Recommendations treatment, management and maintenance decisions.
Wise stewardship protects the character, and or spirit of a
The last and ongoing step in the preservation planning
process records the treatment work as carried out. It may place by recognizing history as change over time. Often,
include a series of as-built drawings, supporting photographic this also involves our own respectful changes through
treatment. The potential benefits from the preservation of
materials, specifications and a summary assessment. New
cultural landscapes are enormous. Landscapes provide
technologies that have been successfully used should be
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