How often to water painted daisy in California
In July on the north-central coast, established painted daisy in loam needs a deep watering about every 9 days: about 1.5 gallons each time for a plant 2 feet across, about 1.1 gallons a week. Painted daisy, also called pyrethrum, is a bushy herbaceous perennial about 2 feet tall that forms a clump of ferny leaves. In early summer, stiff stems carry daisies in shades of pink, red or white around a yellow eye, and pollinating insects love them. It wants light, well-drained soil in full sun and makes a good cut flower.
How often to water painted daisy, 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 foot 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
- Light soil dry several inches down in spring means painted daisy can take a drink
- Flower stems flopping before bloom can follow uneven watering or rich soil
- Ferny leaves wilting in afternoon heat point to a dry root zone
- A rotting crown in heavy, wet soil points to poor drainage
How to water it
- Water deeply, then let the soil dry well between waterings
- Plant in full sun in light, well-drained, even gravelly soil
- Stake tall stems before they flop
- Deadhead to prolong flowering
- Divide clumps in spring every few years
Through the seasons
Water new plants until roots establish. Established clumps want deep, infrequent water while they grow and bloom in early summer, and less once flowering ends. It dies back for winter and returns in spring. WUCOLS rates painted daisy moderate water on the north-central coast. On the south coast and in South Inland it carries a low water rating. WUCOLS marks it as not suited to the Central Valley, and has not evaluated it for the high desert or the low desert.
In pots
Painted daisy grows well in a pot on a sunny patio, where its bright daisies attract bees. Use a light, gritty, well-drained mix. Water when the top couple of inches are dry, until water drains out. In late spring and early summer, check every few days. Never leave the pot in water. Deadhead for more flowers. In winter, after it dies back, water very little.
- A year
- no figure
- Reference
- Sacramento climate table
- Counts
- Plant need, before sprinkler losses
WUCOLS lists Painted Daisy as not suited to this region for the Central Valley zone, so no monthly figure is computed here.
Monthly water need by climate zone
Painted Daisy: 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 | – | 0.31 | 0.31 | – | – |
| Feb | 0.53 | – | 0.32 | 0.35 | – | – |
| Mar | 0.87 | – | 0.46 | 0.52 | – | – |
| Apr | 1.18 | – | 0.56 | 0.64 | – | – |
| May | 1.46 | – | 0.64 | 0.78 | – | – |
| Jun | 1.61 | – | 0.69 | 0.92 | – | – |
| Jul | 1.61 | – | 0.79 | 1 | – | – |
| Aug | 1.49 | – | 0.74 | 0.93 | – | – |
| Sep | 1.24 | – | 0.6 | 0.74 | – | – |
| Oct | 0.87 | – | 0.46 | 0.53 | – | – |
| Nov | 0.47 | – | 0.33 | 0.36 | – | – |
| Dec | 0.31 | – | 0.26 | 0.27 | – | – |
| Year | 12 | – | 6.2 | 7.37 | – | – |
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 10
Rated not suited to this region in the Central Valley, like painted daisy. Plants that drink alike can share one valve and one schedule.
Desert RoseAdenium obesumnot rated, Central Valleyno Central Valley rating
Kahili GingerHedychium gardnerianumnot rated, Central Valleyno Central Valley rating
Alpine ToadflaxLinaria alpinanot rated, Central Valleyno Central Valley rating
Skunk CabbageLysichiton americanusnot rated, Central Valleyno Central Valley rating
Egyptian Star FlowerPentas lanceolatanot rated, Central Valleyno Central Valley rating
Swedish IvyPlectranthus verticillatusnot rated, Central Valleyno Central Valley rating
Solomon's SealPolygonatum odoratum (japonicum)not rated, Central Valleyno Central Valley rating
Wandering JewTradescantia fluminensis (SHADE)not rated, Central Valleyno Central Valley rating
Moses-in-the-CradleTradescantia spathacea (Rhoeo spathacea)not rated, Central Valleyno Central Valley rating
Heath-Leafed BanksiaBanksia ericifolianot rated, Central Valleyno Central Valley ratingTurn this into minutes on your water days
Every city page has a calculator that takes painted daisy, 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 painted daisy in summer?
In July, established painted daisy in loam needs a deep watering about every 18 days on the south coast and about every 14 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 painted daisy need per day?
In July on the north-central coast, established painted daisy needs about 0.2 gallons a day for a plant 2 feet across and about 0.7 gallons a day for a plant 4 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 painted daisy change across California?
Yes. WUCOLS rates painted daisy separately for each of the six California climate zones: moderate water in the North-Central Coastal zone, not suited to this region in the Central Valley zone, low water in the South Coastal zone, low water 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.
Does painted daisy need staking?
Plants may need staking, since tall stems can flop. Set stakes early in spring. Lean soil helps too.
When does painted daisy bloom?
It blooms in early summer on stiff, erect stems. Deadheading prolongs flowering. Cut flowers last well.
Is painted daisy good for pollinators?
Yes, its flowers are particularly attractive to pollinating insects. Plant it in groups. It suits wildlife and gravel gardens.
How do I divide painted daisy?
Divide clumps in spring, or take basal cuttings. Replant pieces at the same depth. Water them in well.
What pests bother painted daisy?
Aphids, chrysanthemum eelworm and leaf miners can appear. It is generally disease free. Check the undersides of leaves.
More plant watering guides
Sources
- WUCOLS IV plant water use classification for Tanacetum coccineum (Pyrethrum roseum), 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