Short answer: new fall plants have small root balls and need frequent, gentle water while they settle, but the lawn zone around them does not. If the beds share a zone with the grass, adjust the heads or add drip. Our minimum service call is $95, and a full irrigation system starts from $3,500.
Why fall planting upsets a sprinkler system
Fall is a good time to plant in Georgia. The heat has eased, the soil is warm and roots grow before winter. But a sprinkler system set for turf was not designed for a pansy bed. Turf roots go deep. A pansy or mum root ball is small and sits near the surface. In clay, water sheds off the compacted bed edge, and a root ball planted in loose soil can sit in a bowl of water or dry out in a day.
Spray heads also scatter water over the leaves and the flowers. That wets foliage, can mark blooms and wastes water on mulch.
What new plants want
| Plant | What to watch | Water habit |
|---|---|---|
| Mums | Wet crowns rot, dry roots wilt | Water the soil, not the flowers |
| Pansies | Shallow roots, sensitive to dry spells | Frequent, light water |
| New shrubs | Roots need to spread into clay | Slow, deep soak near the base |
| New trees | Large root ball dries at the center | Deep water at the trunk, less often |
Georgia’s watering rules exempt newly installed plants for 30 days after planting, and hand watering with an auto-shutoff nozzle is allowed at any time. Check your water provider for drought limits.
Adjusting a system for a bed
- Watch the zone run. See which new plants get wet and which stay dry.
- Adjust the arc and radius of heads near the bed.
- Raise or replace a head if a new shrub blocks the spray.
- Cap a head that now waters only mulch, or move it.
- Add a drip line to a bed where a spray head is the wrong tool.
- Give the bed its own zone if it needs a different schedule from the lawn.
- Check again in a week. Dig a finger down to see if the root ball is moist.
Spray, drip or hand-water
| Method | Best for | Downside |
|---|---|---|
| Spray head | Lawn, groundcover | Wets leaves, wastes water on beds |
| Drip line | Beds, shrubs, new trees | Needs a filter and regulator |
| Hand water | A few plants | Easy to forget |
| Soaker hose | A single bed | Uneven over a long run |
Mistakes we see
Planting a shrub right on top of a sprinkler head is common. The head gets buried or the plant blocks the spray. Another is leaving the old schedule alone, so the new plants are either drowned or dry. A third is mulching over a head so water never reaches the air.
Fall watering is not summer watering
As the nights cool, plants and turf use less water. A schedule from midsummer will overwater in fall. A rain sensor from $425 skips cycles after rain, and a smart controller from $575 adjusts to the weather. Standard controllers start from $425. Each zone should be set for its own soil and slope.
What it costs
A head adjustment or replacement falls under our minimum service call of $95. Adding a drip zone, or a new valve at $275–$1,200 depending on the valve, depends on the job and is quoted before work begins. The estimate is free.
Winding down as the season turns
After the first weeks, new fall plants need less. Cooler nights, shorter days and less evaporation mean you can stretch the time between waterings. Check the soil before each run instead of keeping the early schedule. Plants that go into winter too wet are at risk in a hard freeze, and cold, soggy clay is hard on roots. Cut the runs back as the weather cools, and check the zone again after the first frost.
When to call us
Call when new plants keep wilting, heads are blocked by new shrubs or you want beds on their own zone. We offer same-day service and are family-owned, licensed and insured. See sprinkler repair and our installation page.
FAQ
How much should I water new pansies and mums? Keep the root ball moist, not soggy. Check the soil with a finger.
Do newly planted shrubs need special watering? Yes. Slow, deep water at the base helps roots spread into clay.
Do Georgia watering rules apply to new plants? Newly installed plants are exempt for 30 days after planting. Check for local drought limits.
Can I add drip to an existing sprinkler system? Yes, usually as its own zone with a filter and regulator.
Prices from our price list. Updated October 2026. Watering exemptions: Georgia EPD, epd.georgia.gov/watershed-protection-branch/water-conservation.