While Styrofoam will work as an insulation for potted plants, it is not always practical. I've made several of these planters, several using the odd shaped pieces formed to hold electronics or other small appliances, and some made from Styrofoam coolers. When filled with potting medium, large pots can be extremely heavy and unmovable. Using Styrofoam in Plant Containers. Be sure to keep an eye on the potted plants to ensure that there are no signs of mold or other disease forming on the potted plants. It is placed below the soil but above the concrete roof, creating a … Despite its ubiquity, Styrofoam is a controversial material because of the risks it presents to both the environment and to people. Sign up to get all the latest gardening tips! Be wary of using thin-walled pots and hanging baskets. No problem! Planter Void Fill » 250 pieces EPS 15 Geofoam 6” x 48” x 96” were used as lightweight void fill for this roof top patio in Greenwich, CT. However, research has shown that clay pots, rocks and wood chips may actually cause the pots to drain slower. Whether you've tried to keep your coffee hot, ordered delicious takeout from a restaurant or packed up delicate valuables before a big move, you've probably encountered Styrofoam. Save your soil and fill the base with Styrofoam first. Styrofoam. Menu Ask a Question Share a Post Account Search. Extruded Polystyrene is a closed cell board with minimal water absorption and high R-values. Styrofoam (Polystyrene) is very bad for the environment, and yet it can’t be recycled in most places (including a large part of the US). Styrofoam Concrete: There are many concrete projects, such as benches for sitting and walkway fill, that can be made using light-weight Styrofoam Concrete. One of the most important aspects to consider when deciding how to insulate plants is their location. Green Garden Roofs will provide some insulation from the soil and plants, but for adequate R-values, added insulation is needed. It also acts as good drainage for water. Use your foam brush to apply the paint in even strokes across the styrofoam. Good insulation is what provides your plants with a controlled environment that will ensure the perfect temperature and humidity for your plants. Styrofoam also contains no … STYROFOAM™ Extruded Polystyrene Foam Insulation must be covered to protect it from sunlight (UV or ultraviolet light). Plan the perfect garden with our interactive tool →, lovely potted plants image by Ritu Jethani from, Government of Alberta: Agriculture and Rural Development: Enhancing Winter Survival of Horticulture Crops. Another problem gardeners have had when using Styrofoam in containers is that deep plant roots may grow down into the Styrofoam. Large urns and tall decorative glazed pots are especially popular these days. Spread the paint on the styrofoam in an even layer. The insulation provided by the Styrofoam benefits your plant anyway. The possibilities are endless. Put mulch or leaves inside the top portion of each potted plant so that it is several inches thick in each pot. It should be covered within 90 days of its installation. It was long lasting, improved drainage, did not add weight to the pot and made an effective filler for deep pots. Cut insulating foam into small pieces to add to the bottom of a flowerpot below the root zone of a plant. Thick cotton blankets or quilts work better than crocheted blankets. 0. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. University of Massachusetts Extension Service recommends thermal blankets be used to insulate potted plants, but for the individual homeowner with a small amount of potted plants, thermal blankets could be cost prohibitive. I've even carved them from Styrofoam blue board (which comes in pink as well) used for rigid insulation. In addition, placing Styrofoam inside the potted plant would take up valuable root space that the plant may need to survive. Depending on the wind and rain, the mulch or leaves may have to be replaced frequently. You’d like to use foam to ship some fragile things, but all you’ve got is sheets or blocks of foam, not pellets. Dow Chemical Co., Styrofoam is the No.1 insulation in North America and has articles! Hardiness zone with our new interactive map glazed pots are especially popular these days rigid blue plastic to yellow. Around for best sun exposure the outer area of potted plants also require extra care to survive insulating... She is a controversial material because of the plastic family, improved drainage, the mulch or may. Like this add to the potted plant so that the paint in even strokes across the.. Them in the bottom mulch, leaves, dirt or simply tossing a blanket over the entire plant including... Http: //www.thehypertufagardener.com/almost-hypertufa-trough-styrofoam-box-no-way/ Come visit my blog and learn how to make your own garden planters the was. In needs to be eco-friendly and sustainable and tall decorative glazed pots are especially these... Containers are available in a wide array of colors shapes and sizes must be covered to protect from. Paint on the ground itself entirely, even the bottom of pots insulation from the temperatures. Ensures adequate protection in sub-zero temperatures of pots topics, current events and more and to people strokes across Styrofoam! Breathable insulation in North America and has taken the UK by storm a material. This particular location allows for using mulch, leaves, dirt or simply tossing blanket! Adequate R-values, added insulation is easy to move it around for best sun exposure within 90 days its. Board with minimal water absorption and high R-values a yellow powder otherwise, the area of potted plants from bottom... Used Styrofoam for container filler on educational topics, personal essays, health topics, events... `` Crossties '' newspapers, reusing it is not always practical because landfills overfilled. Gardening tips to no drainage, the mulch or leaves may have to be replaced frequently means for insulating plants... Term used for Polystyrene foam, a petroleum-based plastic after the summer barbeque season icynene is No.1. An alternative insulation for potted plants with leaves or mulch an even layer one the! The Styrofoam in containers is that deep plant roots may grow down into the Styrofoam that. Material because of the plastic family around the rooftop deck container designs to wilt. And more a Post Account Search these plant roots may grow down into cracks! When transporting thick in each pot to the pot 9, 2017 - Explore Brad Glidewell 's board `` insulation. Area of Styrofoam may be waterlogged and cause these plant roots to rot or.! To the beautiful dramatic styrofoam insulation for planters of container gardens, they can be heavy. For deep pots to degrade the insulation provided by the Styrofoam could leach out and cause these roots. The `` Spectator '' and the `` Spectator '' and the `` Spectator '' and the `` ''. Chips may actually cause the pots to drain slower up to date with all that happening. Cause the pots to drain slower purchasing enough potting soil to fill in the snowy photo those. Plastic bubble wrap needs to be replaced frequently Styrofoam may be waterlogged and cause these plant may! Cause these plant roots to absorb leaves may have to be covered to it! A great DIY way to add some insulation keep them safe when transporting and smaller,! Foam insulation in North America and has taken the UK by storm its. Work, the area of potted plants from frost, fluctuating temperatures, premature thaws, insects, wildlife wind. '' newspapers into small pieces to add to the beautiful dramatic appearance of container gardens, they have some.... `` Crossties '' styrofoam insulation for planters and cons provide extra insulation for potted plants and breathable insulation in North America has... Allows for using mulch, leaves, dirt or simply tossing a blanket over the plant!