What does properly hydrated florist's foam indicate?

Properly hydrated florist's foam indicates that it has changed in appearance and behavior, becoming adequately saturated. When florist's foam is fully hydrated, it transforms from a dry, rigid state to a more flexible and usable state that allows it to support the stems of flowers and plants effectively. This saturation not only provides the necessary moisture to keep cut flowers fresh but also ensures that the foam can hold them securely in place.

As the foam absorbs water, it expands slightly and becomes a darker color, indicating that it is fully hydrated. This is essential for floral arrangements, as using dry or improperly hydrated foam can result in insufficient moisture for the plants, leading to wilting and a lack of longevity in the arrangement.

The other options do not accurately describe the characteristics of properly hydrated florist's foam. A dry foam would not be usable since it lacks the necessary moisture for flower support. Foam that is too wet would not perform well either, as it can make securing the stems more difficult and lead to issues such as leaking water. While molding foam into specific shapes can be part of preparation, it does not indicate hydration status. Therefore, recognizing the proper hydration is key in floriculture practice for ensuring floral arrangements remain healthy and vibrant.