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Pollen, road salt, humidity, and summer bugs all change the right answer depending on the time of year. Here is the season-by-season breakdown for Central Virginia drivers.
Quick answer
Virginia drivers should wash their cars every one to two weeks year-round as a baseline. During spring pollen season, which runs from March through May in Central Virginia, increase to every three to five days. Pollen is mildly acidic and can etch into clear coat if left on paint. During winter months when VDOT is actively salting I-64, I-95, Route 60, and other major corridors, wash weekly and always include an underbody flush. Summer and fall are lower-intensity seasons where every one to two weeks is typically sufficient.
Virginia sits at the intersection of several conditions that make regular washing more important than general advice suggests. Spring pollen season in Central Virginia is among the most aggressive in the eastern United States. Summer brings high humidity and road film. Fall brings debris and the start of road salt preparation. Winter brings active salting across major state corridors.
Spring · March–May · every 3–5 days
Pollen is mildly acidic. When it sits on your paint, especially with morning dew or light rain activating it, it begins to soften clear coat over time. A car left unwashed for two or more weeks during peak pollen season risks surface damage that requires polishing to correct.
Wash every three to five days from March through May. Flagstop's Nano Seal protection applied on every Ultimate wash creates a barrier that makes pollen easier to rinse off on the next visit and slows the etching process between washes.
If you are washing three times a week during pollen season, the membership pays for itself in the first week. This is when the value of unlimited washes is most obvious for most Virginia drivers.
Summer · June–August · every 10–14 days
Bug splatter — acidic and hardens in heat within hours of impact
Bird droppings — acidic and require prompt removal before baking onto paint in summer sun
Road film from summer construction and high-traffic season
Water spots from rain that does not fully rinse the car clean
Tree sap from outdoor parking under trees
Fall · September–November · every 10–14 days
Wet leaves that stick to paint and can transfer tannins if left overnight
Late-season tree sap
VDOT begins pre-treatment of bridges and overpasses in late November during early frost events. Once salt activity begins, shift to the winter schedule below.
Winter · December–February · weekly
I-64, I-95, I-295, Route 60, Route 1, Route 360, and US-301, among others. If you drive these corridors regularly in winter, your undercarriage is exposed to salt on every trip.
Road salt accelerates rust and corrosion on exposed metal surfaces, including undercarriage components, brake lines, suspension parts, and wheel wells. Salt does not wash off with rain. It bonds to surfaces and continues working even after a storm passes and roads appear dry.
Wash weekly during active winter weather. Always use a wash that includes an underbody flush. Flagstop's Ultimate Wash includes underbody flush on every pass. After any snow event, wash within 24 to 48 hours while salt concentration is highest and easiest to neutralize.
Spring March–May, 12 weeks · 2-3 washes per week
24-36 washes
Summer June–August, 13 weeks · 1 wash per week
13 washes
Fall September–November, 13 weeks · 1 wash per week
13 washes
Winter December–February, 12 weeks · 1 wash per week
12 washes
The Flagstop Unlimited Wash Club gives you unlimited washes at all 30+ Flagstop locations for one flat monthly price. No contracts. Cancel anytime. During spring pollen season alone, when you should be washing three times a week, the membership saves most Virginia drivers significantly compared to per-wash pricing.
Explore RVA Wash ClubEvery one to two weeks year-round, with more frequent washes during spring pollen season (March-May) and winter road salt season. During peak pollen, wash every three to five days to prevent clear coat etching.
Every three to five days from March through May. Virginia pollen is mildly acidic and can etch into clear coat if left on paint for extended periods.
Yes. Road salt accelerates rust and corrosion on undercarriage components, brake lines, and suspension parts. Virginia roads are salted on major VDOT corridors during winter weather. Wash weekly during active salt season and always include an underbody flush.
During Virginia's pollen season or active road salt periods, a month of buildup significantly increases the risk of paint etching and underbody corrosion. During mild seasons it is less immediately damaging but still allows contaminant accumulation.
As often as Virginia's seasonal conditions call for. During pollen season that means every three to five days. With an Unlimited Wash Club membership you have already paid for unlimited washes. Use them.
The Unlimited Wash Club gives you the freedom to wash at all 30+ Flagstop locations for one flat monthly price. During pollen season, the membership pays for itself in the first week.
