WateringTimesWatering plan, $19
Pyrus communis, WUCOLS IV

How often to water edible pear in California

In July in the Central Valley, established edible pear in loam needs a deep watering about every 8 days: about 55 gallons each time under a 10 foot canopy, about 47 gallons a week. Edible pear is a deciduous fruit tree that tolerates wetter soil better than most orchard fruits. It needs deep, even moisture while fruit develops, but wet blossoms invite fire blight. Timing water around bloom matters as much as the amount applied.

TreeRated for 5 of 6 zones

How often to water edible pear, month by month

Your city
Canopy width
10 ft
Your soil

Type your city above and the days between waterings and the gallons appear here, worked out from your city's climate table. Or read the figures by climate zone further down.

Every month, on your water days. The personal plan prints this for edible pear and the rest of your yard, on the days your water supplier allows.Get the plan for $19

How this is worked out: established roots fill the top 1.5 feet of soil, and you water again when that soil has dried halfway. Loam soil holds about 1.5 inches of water per foot. Water the whole area under the branches, and skip a watering after a good soaking rain.

Which soil do you have?

Dig down a few inches, take a handful of moist soil and squeeze it.

  • Sandy: gritty, falls apart when you open your hand, will not form a ball.
  • Loam: forms a soft ball that crumbles when you poke it.
  • Clay: forms a firm, sticky ball and squeezes out into a ribbon between thumb and finger.

Still not sure? Pick loam. Most garden beds sit between sand and clay.

How to measure canopy width

A tree with its canopy width marked across the widest branches and the circle under it shaded blue

Measure across the branches, from the tips of the outer leaves on one side to the tips on the other. A tape works, or pace it out.

Water the whole circle under the branches, shown in blue. The gallons here cover that circle.

A wider canopy means more gallons each watering, not more waterings. While the tree is young, measure again each spring.

How to tell it needs water

  • Soil dry a foot down at the drip line signals a mature pear tree needs a deep soak
  • Leaves wilting or curling during summer heat can indicate a root zone that ran dry
  • Blackened, wilted shoot tips after a wet bloom can signal fire blight rather than a watering issue
  • Yellowing leaves over waterlogged soil can indicate roots sitting too wet despite this tree's wet-soil tolerance

How to water it

  • Water a young pear tree over its root ball, widening the soaked area as roots spread
  • Soak an established tree's root zone deeply out to the drip line rather than close to the trunk
  • Use drip or a slow soak instead of overhead sprinklers, especially once blossoms open
  • Hold off on irrigating during bloom to keep blossoms dry and limit fire blight spread
  • Keep mulch a few inches back from the trunk while extending it out toward the drip line

Through the seasons

A newly planted bare root pear needs steady moisture through its first summers while roots establish in the ground. This deciduous tree drops its leaves in fall and breaks dormancy with bloom in early spring, when wet blossoms are most vulnerable to fire blight. Established trees need their heaviest soil moisture as fruit sizes through summer. Winter rain covers the cool months on the north-central coast and in the Central Valley, where WUCOLS rates it moderate water, matching the south coast, South Inland and the high desert. WUCOLS marks it as not suited to the low desert.

In pots

A young or dwarf pear can grow in a large container for its first years before an in-ground planting. Check the mix several inches down often during California summer heat, since a pot dries faster than open ground. Water when it dries, let excess drain fully through the holes, then empty the saucer so roots do not sit wet. In winter, while the tree is bare and dormant, let the mix dry further between waterings.

1 Your climate zone six WUCOLS zones, each from its own reference city
2.67gal per sq ft in JulyModerate water use in the Central Valley zone
A year
17.11 gal per sq ft
Reference
Sacramento climate table
Counts
Plant need, before sprinkler losses
0.761.52.33.00.4JAN0.65FEB1.09MAR1.52APR2.08MAY2.48JUN2.67JUL2.39AUG1.8SEP1.18OCT0.56NOV0.34DEC0.761.52.33.00.4JFM1.52AMJ2.67JAS1.18OND
Gallons per square foot per month, Central Valley. Peak 2.67 in Jul, 17.11 a year.

Monthly water need by climate zone

Edible Pear: gallons per square foot per month, by WUCOLS climate zone

MonthN. CoastC. ValleyS. CoastS. InlandHi DesertLo Desert
Jan0.370.40.780.780.74–
Feb0.530.650.810.870.93–
Mar0.871.091.151.31.46–
Apr1.181.521.41.611.89–
May1.462.081.611.952.39–
Jun1.612.481.742.292.85–
Jul1.612.671.982.513.04–
Aug1.492.391.862.332.79–
Sep1.241.81.491.862.14–
Oct0.871.181.151.331.46–
Nov0.470.560.840.90.93–
Dec0.310.340.650.680.65–
Year1217.1115.518.4121.27–

How this is worked out: the WUCOLS water rating for each zone times that zone’s climate for the month. A dash means WUCOLS does not rate the plant there. The figures are what the plant uses, before sprinkler losses.

Plants with the same water needs 16

Rated moderate water in the Central Valley, like edible pear. Plants that drink alike can share one valve and one schedule.

Citrus TreesCitrus spp.moderate water, Central Valley2.67 gal/sq ft in JulyJapanese MapleAcer palmatummoderate water, Central Valley2.67 gal/sq ft in JulyAvocado TreesPersea americanamoderate water, Central Valley2.67 gal/sq ft in JulyMagnolia TreesMagnolia grandiflora ssp. & cvs.moderate water, Central Valley2.67 gal/sq ft in JulyPalm TreesSyagrus romanzoffiana (Arecastrum romanzoffianum)moderate water, Central Valley2.67 gal/sq ft in JulyApple TreesMalus spp. (edible) e.g, 'Anna' (low chill variety for low desert)moderate water, Central Valley2.67 gal/sq ft in JulyPeach TreesPrunus spp. ediblemoderate water, Central Valley2.67 gal/sq ft in JulyPersimmon TreesDiospyros kakimoderate water, Central Valley2.67 gal/sq ft in JulyAmur MapleAcer ginnalamoderate water, Central Valley2.67 gal/sq ft in JulyFernleaf MapleAcer japonicummoderate water, Central Valley2.67 gal/sq ft in JulyBox ElderAcer negundomoderate water, Central Valley2.67 gal/sq ft in JulyNorway MapleAcer platanoidesmoderate water, Central Valley2.67 gal/sq ft in JulyRed MapleAcer rubrummoderate water, Central Valley2.67 gal/sq ft in JulyChinese MapleAcer truncatummoderate water, Central Valley2.67 gal/sq ft in JulyRed BuckeyeAesculus paviamoderate water, Central Valley2.67 gal/sq ft in JulyRed HorsechestnutAesculus x carneamoderate water, Central Valley2.67 gal/sq ft in July

Similar plants that need less water 16

Rated lower than edible pear in the Central Valley. Worth a look for a new bed or a lawn replacement.

Olive TreesOlea europaea ssp. & cvs.low water, Central Valley1.07 gal/sq ft in JulyFig TreesFicus carica ssp. & cvs.low water, Central Valley1.07 gal/sq ft in JulyCrape MyrtleLagerstroemia spp., hybrids & cvs.low water, Central Valley1.07 gal/sq ft in JulyAloeAloe spp. & cvs.low water, Central Valley1.07 gal/sq ft in JulyPomegranate TreesPunica granatumlow water, Central Valley1.07 gal/sq ft in JulyEucalyptusEucalyptus polyanthemoslow water, Central Valley1.07 gal/sq ft in JulyPine TreesPinus canariensislow water, Central Valley1.07 gal/sq ft in JulyJunipersJuniperus spp. & cvs.low water, Central Valley1.07 gal/sq ft in JulyTexas Red OakQuercus buckleyilow water, Central Valley1.07 gal/sq ft in JulyPortuguese OakQuercus faginealow water, Central Valley1.07 gal/sq ft in JulySoapbark TreeQuillaja saponarialow water, Central Valley1.07 gal/sq ft in JulyNecklace TreeSophora affinislow water, Central Valley1.07 gal/sq ft in JulyBailey AcaciaAcacia baileyanalow water, Central Valley1.07 gal/sq ft in JulySilver WattleAcacia dealbatalow water, Central Valley1.07 gal/sq ft in JulyGreen WattleAcacia decurrenslow water, Central Valley1.07 gal/sq ft in JulySydney Golden WattleAcacia longifolialow water, Central Valley1.07 gal/sq ft in July
Minutes for your sprinklers

Turn this into minutes on your water days

Every city page has a calculator that takes edible pear, your sprinkler type and the month, and gives the minutes per water day for that supplier's schedule. Or put it in a zone of the personal watering plan and get all twelve months printed.

Questions people ask

How often should I water edible pear in summer?

In July, established edible pear in loam needs a deep watering about every 8 days in the Central Valley, about every 11 days on the south coast and about every 9 days in the South Inland zone. Sandy soil holds less water, so waterings come closer together. Clay stretches them. Check the soil before each watering and skip one after a soaking rain.

How much water does edible pear need per day?

In July in the Central Valley, established edible pear needs about 6.8 gallons a day under a 10 foot canopy and about 27 gallons a day under a 20 foot canopy. Give it in deep waterings spread days apart rather than a little every day, so the whole root zone gets wet.

Does watering for edible pear change across California?

Yes. WUCOLS rates edible pear separately for each of the six California climate zones: moderate water in the North-Central Coastal zone, moderate water in the Central Valley zone, moderate water in the South Coastal zone, moderate water in the South Inland zone, moderate water in the High and Intermediate Desert zone, not suited to this region in the Low Desert zone. The monthly table above shows how the same rating translates into different gallon amounts as reference evapotranspiration changes.

Should I water my pear tree while it is blooming?

Hold off on irrigation during bloom, since wet blossoms help spread fire blight bacteria. Resume regular soil checks once petals drop. Rain during bloom carries the same risk, so watch trees closely after a wet spring.

How do I water a newly planted bare root pear?

Keep the planting hole evenly moist while roots establish, checking a few inches down regularly. Avoid letting the original root ball dry out during the first growing season. Expand the soaked area gradually as new roots spread outward.

Can pear trees handle occasional wet soil?

Pear tolerates wetter soil better than most deciduous fruit trees. That tolerance does not mean roots should sit in standing water indefinitely. Well-drained soil still grows the healthiest root system.

Why are my pear tree's shoot tips turning black?

Blackened, wilted shoots after a wet bloom typically point to fire blight rather than a watering mistake. Prune out infected wood well below the visible damage. Sanitize pruning tools between cuts to avoid spreading the bacteria.

Does fruit size depend on watering?

Deep soaks through the dry season keep the tree growing well, and deep watering serves it better than frequent light watering. If the crop is heavy, thinning the fruit helps the rest size up.

Is edible pear a good choice for a low desert yard?

WUCOLS does not rate this species suited to the low desert climate. Gardeners there should look at species matched to that heat and aridity. The other California climate zones covered here rate it a moderate water user.

More plant watering guides

Avocado TreesBird of ParadiseDahliasHibiscusMagnolia TreesPalm TreesSago PalmStar Jasmine

Sources