Northern Nevada tree care calendar
The tree care year in Northern Nevada runs on a dormant season from about November to March, a growing season of watering and conifer pruning from April to September, and a fall of fire and snow preparation. Each month page below gives the jobs that fit, with the month's NOAA 1991-2020 normals for five stations.
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Reno sits near 4,400 feet, Carson City near 4,800 and Glenbrook on the Tahoe shore at 6,350, so the same month means different things at different addresses. For example, Glenbrook's April mean temperature of 40.6 F equals the Reno airport's February mean. Each page names the stations it uses and says what the weather means for trees, fire and snow.
Twelve months
January
- Look over bare deciduous trees for cracks, dead limbs and tight forks
- Mark limbs over the roof, drive or walk for an arborist
- Book late-winter pruning for deciduous shade trees
Precipitation: Reno airport 1.25 in; Carson City 1.72 in; Minden 1.7 in; Glenbrook 3.18 in; Fallon 0.63 in
The January pageFebruary
- Prune deciduous shade trees while they are dormant and before buds swell
- Finish backyard fruit-tree pruning in the dormant season
- Hold conifer pruning for early spring and summer
Precipitation: Reno airport 1.03 in; Carson City 1.48 in; Minden 1.3 in; Glenbrook 2.71 in; Fallon 0.47 in
The February pageMarch
- Finish deciduous pruning before buds break
- Begin conifer pruning as early spring arrives
- Water on thawed ground when temperatures are above 40 F
Precipitation: Reno airport 0.8 in; Carson City 1.24 in; Minden 1.25 in; Glenbrook 2.62 in; Fallon 0.5 in
The March pageApril
- Watch for branches that stay bare after neighbors leaf out
- Prune conifers in early spring
- Check irrigation lines, timers and emitters before the heat
Precipitation: Reno airport 0.44 in; Carson City 0.51 in; Minden 0.49 in; Glenbrook 1.25 in; Fallon 0.45 in
The April pageMay
- Water mature trees deeply, to about 18 inches and out to the canopy edge
- Spread 2 to 4 inches of organic mulch (ISA), kept off the trunk
- Keep mulch and woodpiles out of the first 5 feet around the house
Precipitation: Reno airport 0.55 in; Carson City 0.51 in; Minden 0.61 in; Glenbrook 1.34 in; Fallon 0.68 in
The May pageJune
- Water deeply and less often, to about 18 inches
- Check mulch depth, 2 to 4 inches (ISA), and keep it off trunks
- Prune conifers and take out dead wood
Precipitation: Reno airport 0.41 in; Carson City 0.37 in; Minden 0.33 in; Glenbrook 0.58 in; Fallon 0.36 in
The June pageJuly
- Water mature trees deeply, to about 18 inches, out to the canopy edge
- Check mulch, 2 to 4 inches (ISA), kept off the trunk
- Look for scorched, wilted or thinning crowns
Precipitation: Reno airport 0.2 in; Carson City 0.18 in; Minden 0.25 in; Glenbrook 0.32 in; Fallon 0.12 in
The July pageAugust
- Keep deep watering on schedule
- Walk the property and look for fading, thinning or discolored crowns
- Have dead pines identified and removed
Precipitation: Reno airport 0.24 in; Carson City 0.14 in; Minden 0.26 in; Glenbrook 0.22 in; Fallon 0.15 in
The August pageSeptember
- Finish defensible space work while the ground is open
- Inspect large trees for cracks, dead limbs and lean
- Book removals, crane work and stump grinding before winter
Precipitation: Reno airport 0.21 in; Carson City 0.24 in; Minden 0.21 in; Glenbrook 0.28 in; Fallon 0.19 in
The September pageOctober
- Remove dead and hanging limbs before the first storm
- Clear fallen leaves and needles from Zone 0
- Keep watering until the soil freezes
Precipitation: Reno airport 0.5 in; Carson City 0.55 in; Minden 0.61 in; Glenbrook 1.0 in; Fallon 0.4 in
The October pageNovember
- Check the burn code status before you light a stove or fire
- Keep firewood off the ground, covered on top, away from the house
- Set up snow service before the first storm
Precipitation: Reno airport 0.62 in; Carson City 0.9 in; Minden 0.79 in; Glenbrook 1.91 in; Fallon 0.43 in
The November pageDecember
- Stay out from under bowed or ice-covered limbs
- Call a tree service for large or high storm damage
- Keep emergency numbers handy: 911, NV Energy, then the tree service
Precipitation: Reno airport 1.1 in; Carson City 1.5 in; Minden 1.54 in; Glenbrook 3.05 in; Fallon 0.39 in
The December pageStraight answers
Questions people ask
Still have a question? Call 775.232.8243. Phones are answered seven days a week.
Why does the calendar use five weather stations?
Elevation changes the season. The Reno airport sits at 4,410 feet, Carson City at 4,761, Minden at 4,709, Glenbrook on the Tahoe shore at 6,350 and Fallon at 3,965, so one set of dates would be wrong for most of them.
Which stations publish snowfall?
Reno airport, Carson City, Minden and Fallon do. NOAA publishes no snowfall normal for Glenbrook, so the month pages say so.
Are these normals what my yard gets?
No. They are 1991-2020 station normals, not town averages. Use them to compare months and places, and ask an arborist about your own trees.
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