What Is Wilt Pruf and How Does It Work?

Wilt Pruf is an antitranspirant, a spray that coats leaves and needles to slow the water they lose to wind, sun, and cold. Made from a natural pine oil emulsion, it dries to a clear, flexible film that typically protects plants for three to four months per application, sometimes longer depending on climate.

Why do trees and shrubs need protection from water loss?

Because leaves and needles keep releasing moisture even when the roots cannot replace it. Drying winter winds pull water from evergreen foliage while frozen ground holds water back from the roots, hot summer winds do the same in dry spells, and fresh transplants with small root systems are the most exposed.

How does Wilt Pruf protect foliage?

By forming a coating that slows moisture loss without sealing the leaf off. Ultraviolet light reacts with the film forming polymer in Wilt Pruf Plant Protector Ready to Use Spray, which builds new layers as sun, wind, and rain wear the outer ones away. That renewal is what lets a single application keep working for several months.

How is Wilt Pruf mixed and applied?

The ready to use spray needs no mixing, while the concentrate is diluted by season. One part Wilt Pruf Plant Protector Concentrate to 10 parts water makes the summer mix, and a stronger 1 to 5 mix is recommended for winter. Common uses include evergreens facing winter wind, trees and shrubs in summer heat, and transplants while their roots develop.

Frequently Asked Questions

Is Wilt Pruf organic?

Its product pages describe it as organic and biodegradable, made from a natural pine oil emulsion and nontoxic to eyes and skin.

Does the coating block photosynthesis?

No. According to its product page, the film does not interfere with growth or materially affect respiration, osmosis, or photosynthesis.

Can Wilt Pruf be used on Christmas trees?

Yes. It helps keep cut Christmas trees and wreaths from drying out.

Is Wilt Pruf damaged by freezing in storage?

No. The concentrate is unaffected by freezing in storage and has an indefinite shelf life.