Quick Answer
Late spring is the best time for most homes around Lake Norman, right after pine pollen season winds down. Tree pollen here usually peaks in late March and early April, and washing after it settles means your house stays clean instead of turning yellow again a week later. Early fall is the next best time.
Why Pollen Season Sets the Schedule
Every spring, pine pollen coats houses, windows, driveways and cars across the Charlotte region in yellow. According to NC State Extension, tree pollen production starts as early as February, and counts typically peak between late March and early April.
Wash in the middle of it and you're paying to clean a house that will be yellow again in days. Wash once it settles and you clear away the pollen and the growth that built up over winter in one visit.
Pollen also does more than turn things yellow. It settles into the texture of siding, the screens on your windows and the pores of your concrete, and it gives algae and mildew something to feed on. Clearing it away once the season ends takes away that food source right as the warm, humid months begin.
A Season by Season Guide
Spring
The best time of year, once the pollen fades, usually by late April or May. Your house is clean heading into summer, which is when algae grows fastest.
Summer
A house wash works well in summer. Heat and humidity are when algae spreads fastest around the lake, so summer is a good time to catch growth before it gets heavy. In the hottest weather, we plan the work around the heat.
Fall
The second best window. Mild temperatures, a clean house before holiday guests arrive, and a chance to clear away a summer of growth. For driveways and walkways, waiting until most leaves have dropped keeps the concrete clean through the winter.
Winter
Exterior cleaning can still happen on mild days. Temperatures below freezing are the one thing to avoid, since water can freeze on siding, steps, walkways and driveways.
The Best Timing for Each Surface
- House washing: late spring, with a second wash in fall for shaded or lakefront homes.
- Driveways and concrete: spring, or fall after the leaves drop. Any mild day above freezing works.
- Windows: right after pollen season, so they stay clear for summer.
- Decks: spring, so the deck is ready for summer. If you plan to stain it, the boards need time to dry first.
- Fences: any time of year, and easy to add to a house wash.
What Kind of Weather Is Best?
Mild, dry days are ideal. The cleaning solution needs time on the surface to break down growth, and very hot, direct sun can dry it out faster than you'd like. That's why summer washes often start early in the day.
Below freezing is the one condition to avoid completely, since water can freeze on siding, steps, walkways and driveways.
Will Rain Ruin a Fresh Wash?
No. A rain shower after your house is washed won't bring the algae back. Rain rinses the surface, and the growth that was broken down stays gone. Heavy storms on the day of the job are a different story, and those jobs simply get moved to the next good day.
Planning Around Lake Life
Around Lake Norman, a lot of the year revolves around the water. If you host family and friends during boating season, the weeks before Memorial Day are a great time to get the house, deck and driveway cleaned. Summer holidays on the lake, fall football weekends and holiday guests are all good reasons to plan a wash a few weeks ahead.
Lakefront homes have one more reason to stay on schedule. The air near the water stays damp, so siding facing the lake often grows algae faster than the rest of the house.
How Often to Wash a House Around Lake Norman
Once a year is right for most homes. Homes with heavy shade, homes on the water and homes with a lot of trees nearby often do best with two washes, one in spring and one in fall. To learn why some walls turn green faster, read What Is the Green Stuff Growing on the Side of My House?
Selling Your Home? Wash Before the Photos
If you're putting your home on the market, schedule the wash before the listing photos are taken. Clean siding, a bright driveway and clear windows make a big difference in photos and in that first impression when buyers pull up. In spring, try to book after the heaviest pollen has passed so the house still looks clean on showing days.
A Spring Checklist for the Outside of Your Home
Once pollen season winds down, walk around your home and check these:
- Green or gray growth on the north side and any shaded walls
- Pollen haze on windows, screens and frames
- Dark spots and red clay along the driveway and walkways
- Mildew on the deck boards, railings and stairs
- A green line along the bottom of the fence
- Cobwebs and dirt around porch lights and the front door
If more than one of those jumps out at you, it's worth booking them together. Two or more services in the same visit gets you a bundle discount.
What About Fall Leaves and Pine Straw?
Wet leaves and pine straw that sit on concrete leave brown stains behind, and they hold moisture that helps growth spread. If you're planning a fall cleaning for your driveway, walkways or patio, wait until most of the leaves have dropped. You'll get a clean surface that stays clean through the winter instead of one that's covered again a week later.
Book Before the Spring Rush
The weeks right after pollen season are the busiest time of year for exterior cleaning around Lake Norman. Getting your quote early makes it easier to land the date you want. Book two or more services in the same visit, like a house wash and window cleaning, and you get a bundle discount.
Planning your next wash? Our house washing, window cleaning and driveway cleaning all come with one flat price and a fast, nearly instant quote.
