Garden fire questions (answer a,b,c,d,e if needed)
1. Which is least flammable in a September California garden?
__ a. An Indian Hawthorn (Rhaphiolepis indica) on drip irrigation
(alive, no dead foliage) 12 seconds to ignition
__ b. A apple tree in an orchard (alive, no dead foliage) 30-60
seconds to ignition
__ c. A Redwood deck 50-60 seconds to ignition
__ d. A
Juniper, Pfitzer on drip (alive,
no dead foliage) 15 seconds to ignition
_x_ e. An unwatered
Ceanothus,
California Mountain Lilac (alive, no dead foliage) could not ignite
even unwatered plants
2. Which burns faster?
_x_a. Dead weeds flash, less than a second or unmeasurable
__b. Greasewood,
Adenostoma
(unwatered) 30 sec
__c.
Sage, Salvia
plants (unwatered) variable 10-60, a little moisture all 60 sec.
__d.
Manzanita
(unwatered) variable by species, 5-60, most 15-30 low
groundcovers greater than 60
__e. Sumac,
Rhus
(unwatered) greater than
60 seconds
3. Which causes greater erosion ?
__a.. Seeding grasses; every test to date has shown this causes
more fires and more erosion
_x_b. Leave the slopes alone first rain often brings
a ton of stuff down, then everything stabilizes and no erosion or fire
for years or decades
4. List in order of flammability
_1_a.
Buddleja davidi ('Butterfly
bush')
(regular water) 5
_3_b.
Ivy, Algerian (regular water) 20
_2_c.
Oleander(on drip) 10
_5_d. San
Diego Sage, Salvia munzii (unwatered) 60
_4_e. Toyon, Heteromeles arbutifolia(unwatered)
50
5. What is the common flame height of oak leaf mulch or shredded
redwood bark?
__a. it doesn't
burn if watered
_x_b. about 1 inch
if unwatered
__c. about a foot
__d. about three feet
__e. about 10 feet
6. To make your home firesafe this is important
_x_a. Do consistent
garden
hygiene
_x_b. Select plants carefully
_x_c. Be
weed
free
_x_d. Limited planting
_x_e. Limit shade structures
7. Which appears to be more effective in reducing flammability in a
native garden?
__a. Regular watering on
drip.
__b. A wash off watering once a week or so with a hose or sprinkler.
this would be first if you have weed
control
__c. Daily watering on
drip.
__d. Replacing native plants with garden plants
_x_e.
Weed
control
8. Which is a better predictor of a wildfire?
__a. Length of Drought
__b. Rainfall from the year before
_x_c. Days above 95F.*
__d. Spring Drought
__e. El Nino or La Nina
9. How much flame height can a mowed field have with wind behind
it?
__a.
it doesn't burn
__b.
about 1 inch
__c. about a foot
__d. about three feet
if no wind
_x_e. about 10 feet
with wind
10. Which is the smallest threat to your home in a fire storm?
(Assuming you have a maintained 60 foot zone around the home.)
_x_a. The neighboring openspace.
__b. Your neighbors home. .In wildfires you'll find most of the homes
lost were in clusters as the houses are more flammable than the brush
__c. Embers falling from the sky. This is what commonly
burns hoses down.
__d.
Garden
hygiene, no wood pile, weed pile or junk
Stupid stuff also threatens your home in fires. That pile of weeds was
forgotten.
__e. Deck Furniture, awnings and deck themselves. The rattan
furniture seemed like a good idea.
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