During the scorching heat of summer, with the sun blazing high in the sky and umbrellas offering little relief, both people and plants are suffering. Plants may wither and even die in these extreme conditions. In response, experts suggest that rainwater can help revive plants damaged by the sweltering summer temperatures. It is advisable to collect rainwater during rainy days to have a reserve for when needed.
According to a report from the UK’s GB News, David Denyer, a floral expert from the UK flower shop Eflorist, provided some insights on how to utilize rainwater to water plants effectively when timely showers arrive.
Denyer stated, “Rainwater is one of the best sources for watering plants. Rainwater is naturally gentle, slightly acidic, similar to what many plants are accustomed to in their natural environment.”
Tap water typically contains additives such as chlorine, fluoride, calcium, and magnesium. These substances can gradually accumulate in garden soil and potentially lead to health issues for plants.
Denyer highlighted the impacts of long-term use of tap water for watering plants. He mentioned, “You may notice leaves turning yellow, tips browning, or the formation of salt crust on the surface.”
After prolonged periods of high temperatures, certain plant species, particularly young plants that have not had a chance to fully develop, become especially vulnerable.
Denyer added that potted plants, seedlings, and newly planted flowers are the first to suffer during sudden heatwaves. These plants lack mature root systems, making them prone to rapid dehydration as soil temperatures soar.
Even recently planted perennial plants, like daylilies and lupines, although typically robust, may face similar challenges.
Even traditional garden favorites like roses and hydrangeas could be at risk, especially when the surrounding soil has been depleted of moisture.
Denyer emphasized, “These outdoor plants rely on rainwater during this time of the year.” If you have plants, you can take advantage of rainy days to collect rainwater.
He advised, “Maintaining cleanliness is crucial if you are collecting rainwater.” Denyer recommended using covered containers to prevent contamination by debris and insects.
He cautioned that stagnant rainwater left in open containers for prolonged periods, particularly in warm weather, could become a breeding ground for bacteria. Rainwater should be used promptly or stored in a cool, covered area.
Furthermore, as roof runoff may contain pollutants, this collection method requires careful consideration. Denyer suggested simple collection methods are sufficient for most needs. “Just place a clean pot or container outdoors during rainfall to collect water effectively.”
In addition to the aforementioned collection methods, Mohawk College in Canada shared ways to collect rainwater for indoor plants on balconies or near windows.
The college recommended placing jars or buckets on balconies during rainfall or cups outside windows. Once the rain stops, you can transfer the collected rainwater indoors to water your houseplants.
For larger rainwater collection, placing buckets under downspouts allows for gathering significant amounts of water with each rainfall. These containers can amass enough water to keep your garden hydrated for weeks, making them very convenient during dry spells.