How often to water wayfaring tree in California
In July in the Central Valley, established wayfaring tree in loam needs a deep watering about every 8 days: about 8.8 gallons each time for a plant 4 feet across, about 7.6 gallons a week. Wayfaring tree is not a tree at all but a big, deciduous European viburnum that suckers into a dense thicket or hedge. Flat clusters of creamy white flowers open in late spring, and the berries turn from red to black by late summer. It copes with drier spells once rooted, yet it still counts as a moderate water shrub.
How often to water wayfaring tree, month by month
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.
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 the plant covers, and skip a watering after a good soaking rain.
How to tell it needs water
- Soil dry 3 to 4 inches down among the stems of an established clump means it is time to water
- Leathery leaves still hanging limp the morning after a hot day point to dry roots
- Leaf edges browning in midsummer, well before the purplish red fall color, can signal a dry root zone
- Yellowing, wilting leaves over soggy soil warrant a check for Phytophthora root rot, which can affect this viburnum
- Gray fuzzy mold on flowers in damp weather is a sign to keep sprinkler spray off the shrub
How to water it
- Water around the base of the clump and out to the edge of the foliage with drip or a soaker hose
- Wet the soil about 18 inches deep, then let the top few inches dry before the next soak
- Keep sprinkler spray off the leaves and flower clusters to hold down gray mold and leaf spot
- Grow it in moist, well drained soil, and raise the bed where heavy clay stays wet after rain
- Spread shredded bark mulch over the root area and widen the watered zone as suckers extend the clump
Through the seasons
Keep a new wayfaring tree moist through its first summer while roots grow out from the nursery ball. Established clumps handle short dry spells but still need deep soakings in hot valley summers. It flowers in late spring, and the berries color red by midsummer before ripening black. The leaves turn purplish red before they drop. Winter rain usually carries the bare shrub through the cool months. WUCOLS rates wayfaring tree moderate water in the Central Valley and on the north-central coast. WUCOLS has not evaluated it for South Inland, the south coast, the low desert or the high desert.
In pots
Wayfaring tree grows large and suckers freely, so a container only suits a young plant. Check the mix 2 inches down often in summer heat, especially in the Central Valley. Water until it drains from the holes, then pour off the saucer. A pot keeps the suckers in check. This vigorous shrub fills it with roots fast, though, and a root-bound plant dries out within a day. Through winter the bare shrub needs little water, so let the mix dry slightly between soakings and check after rain.
- A year
- 17.11 gal per sq ft
- Reference
- Sacramento climate table
- Counts
- Plant need, before sprinkler losses
Monthly water need by climate zone
Wayfaring Tree: gallons per square foot per month, by WUCOLS climate zone
| Month | N. Coast | C. Valley | S. Coast | S. Inland | Hi Desert | Lo Desert |
|---|---|---|---|---|---|---|
| Jan | 0.37 | 0.4 | – | – | – | – |
| Feb | 0.53 | 0.65 | – | – | – | – |
| Mar | 0.87 | 1.09 | – | – | – | – |
| Apr | 1.18 | 1.52 | – | – | – | – |
| May | 1.46 | 2.08 | – | – | – | – |
| Jun | 1.61 | 2.48 | – | – | – | – |
| Jul | 1.61 | 2.67 | – | – | – | – |
| Aug | 1.49 | 2.39 | – | – | – | – |
| Sep | 1.24 | 1.8 | – | – | – | – |
| Oct | 0.87 | 1.18 | – | – | – | – |
| Nov | 0.47 | 0.56 | – | – | – | – |
| Dec | 0.31 | 0.34 | – | – | – | – |
| Year | 12 | 17.11 | – | – | – | – |
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 wayfaring tree. Plants that drink alike can share one valve and one schedule.
RosesRosa hybrids..bushmoderate water, Central Valley2.67 gal/sq ft in July
AzaleasRhododendron spp. (CA native and non-native spp.)moderate water, Central Valley2.67 gal/sq ft in July
CamelliasCamellia japonica (SHADE IN DESERT)moderate water, Central Valley2.67 gal/sq ft in July
GardeniasGardenia spp. & cvs.moderate water, Central Valley2.67 gal/sq ft in July
Bird of ParadiseStrelitzia reginae (shade in desert)moderate water, Central Valley2.67 gal/sq ft in July
HibiscusHibiscus rosa-sinensismoderate water, Central Valley2.67 gal/sq ft in July
Sago PalmCycas revolutamoderate water, Central Valley2.67 gal/sq ft in July
Star JasmineTrachelospermum jasminoides and cvs.moderate water, Central Valley2.67 gal/sq ft in July
ArborvitaeThuja occidentalis ssp. & cvs.moderate water, Central Valley2.67 gal/sq ft in July
BambooBambusa spp.moderate water, Central Valley2.67 gal/sq ft in July
LilacsSyringa hybrids (including Descanso hybrids)moderate water, Central Valley2.67 gal/sq ft in July
SpireaSpiraea spp. (CA native and non native spp.)moderate water, Central Valley2.67 gal/sq ft in July
Butterfly BushBuddleja davidii and hybridsmoderate water, Central Valley2.67 gal/sq ft in July
SageSalvia officinalis and cvs.moderate water, Central Valley2.67 gal/sq ft in July
Red BuckeyeAesculus paviamoderate water, Central Valley2.67 gal/sq ft in July
Western ServiceberryAmelanchier alnifoliamoderate water, Central Valley2.67 gal/sq ft in JulySimilar plants that need less water 16
Rated lower than wayfaring tree in the Central Valley. Worth a look for a new bed or a lawn replacement.
LavenderLavandula spp. & cvs.low water, Central Valley1.07 gal/sq ft in July
RosemaryRosmarinus officinalislow water, Central Valley1.07 gal/sq ft in July
BougainvilleaBougainvillea & spp. & cvs.low water, Central Valley1.07 gal/sq ft in July
Olive TreesOlea europaea ssp. & cvs.low water, Central Valley1.07 gal/sq ft in July
Crape MyrtleLagerstroemia spp., hybrids & cvs.low water, Central Valley1.07 gal/sq ft in July
LantanaLantana camara ssp. & cvs.low water, Central Valley1.07 gal/sq ft in July
SalviaSalvia greggii ssp., cvs. & hybridslow water, Central Valley1.07 gal/sq ft in July
AloeAloe spp. & cvs.low water, Central Valley1.07 gal/sq ft in July
SucculentsEcheveria spp. & cvs.low water, Central Valley1.07 gal/sq ft in July
JunipersJuniperus spp. & cvs.low water, Central Valley1.07 gal/sq ft in July
Russian SagePerovskia spp. & cvs.low water, Central Valley1.07 gal/sq ft in July
SagebrushArtemisia spp. (shrubby)low water, Central Valley1.07 gal/sq ft in July
Wild PrivetLigustrum vulgarelow water, Central Valley1.07 gal/sq ft in July
CoralberrySymphoricarpos orbiculatus (SHADE)low water, Central Valley1.07 gal/sq ft in July
Sydney Golden WattleAcacia longifolialow water, Central Valley1.07 gal/sq ft in July
Blue Leaf WattleAcacia salignalow water, Central Valley1.07 gal/sq ft in JulyTurn this into minutes on your water days
Every city page has a calculator that takes wayfaring tree, 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 much water does wayfaring tree need per day?
In July in the Central Valley, established wayfaring tree needs about 1.1 gallons a day for a plant 4 feet across and about 4.3 gallons a day for a plant 8 feet across. Give it in deep waterings spread days apart rather than a little every day, so the whole root zone gets wet.
Does watering for wayfaring tree change across California?
Yes. WUCOLS rates wayfaring tree separately for each of the six California climate zones: moderate water in the North-Central Coastal zone, moderate water in the Central Valley zone, not evaluated in the South Coastal zone, not evaluated in the South Inland zone, not evaluated in the High and Intermediate Desert zone, not evaluated in the Low Desert zone. The monthly table above shows how the same rating translates into different gallon amounts as reference evapotranspiration changes.
Is wayfaring tree a tree or a shrub?
It is a large, multi-stemmed shrub that can reach 10 to 15 feet tall and wide. Water it like a broad hedge shrub, covering the whole clump rather than one central trunk.
Why is my wayfaring tree not making berries?
A lone shrub often sets few berries, so plant a second one close by. The fruit turns red by midsummer and black by late summer on a well pollinated pair.
Are wayfaring tree berries edible?
No. The berries are ornamental and should not be eaten by people or pets. Wear gloves when you handle the fruit.
How do I control wayfaring tree suckers?
Suckers rise from the base and let the clump spread aggressively. Cut or dig them out at the edge of the clump each year. Remove the oldest stems at ground level to keep growth fresh.
Can I grow wayfaring tree as a hedge?
Yes. Its dense, suckering growth makes a thick hedge or screen in sun or part shade. Run drip line along both sides of the row so every plant gets an even soak.
More plant watering guides
Sources
- WUCOLS IV plant water use classification for Viburnum lantana, the University of California survey California agencies use for landscape plan reviewRead August 23, 2026 on wucols.ucdavis.edu
- Model Water Efficient Landscape Ordinance, adopted text and appendices, effective 2025-01-02 · monthly reference evapotranspiration per city, Appendix CRead August 23, 2026 on water.ca.gov/-/media/DWR-Website/Web-Pages/Programs/Water-Use-And-Efficiency/MWELO-Rulemaking/Final-MWELO-Text-and-Appendices_20250103.pdf
- UC Statewide IPM Program, irrigation scheduling using evapotranspirationRead September 30, 2026 on ipm.ucanr.edu/PMG/GARDEN/ENVIRON/evap.html
- Shaw and Pittenger, Landscape Irrigation System Evaluation and Management, UC Cooperative Extension, 2009Read September 30, 2026 on ucanr.edu/sites/default/files/2013-02/160836.pdf
- Pittenger, Water Management in Gardens and Landscapes, UC Riverside, 2017Read September 30, 2026 on ucanr.edu/sites/default/files/2017-03/258022.pdf