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With record temperatures and much of the United States in drought, garden care can become a little more complicated. Soil dries out faster and sensitive plants may wilt in the heat of the afternoon. Enduring an abnormally hot summer can put a lot of stress on plants as well as the unprepared gardener. There are some simple precautions that can be taken to ensure any garden withstands the heat.

Keeping Cool

The heat will quickly rid pots of precious moisture. I recommend checking plants twice daily and watering as needed. Plants that are root bound will need to be watered more often, up to twice a day. Be careful not to overwater; soil should dry 2” down between watering to prevent root rot. Protect plants from direct sunlight damage by watering in the early morning or evening. Be cautious when watering in the evening, some plants are prone to fungal diseases if they stay wet.

Avoid evening watering:

  • Rosemary
  • Lavender
  • Orchids
  • Beebalm
  • Cucurbitacae: cucumbers, squash, zucchini, melons
  • Solanaceae: tomatoes, potatoes, peppers

Dryer than a Desert

Soil that is too dry will be reluctant to retain moisture. The best way to combat this is to water the plant and then let the pot sit in a tray of water until it has soaked up the moisture. If the soil dries out completely, the plant will need to soak in a tray of water until it will retain moisture again.

A Solid Watering Idea: Ice cubes!

Need to keep plants cool and watered throughout the day during the summer? Try placing a layer of ice cubes on top of the soil. As the cubes melt, they will not only provide a steady water source but can also cool the soil down. Any plants that are root bound and dry out quickly during the day will appreciate the steady water source. A steady water source will help prevent having to water multiple times throughout the day.

Take a Second Look: Pot Color

If temperatures are high and plants are in direct sun, avoid using black containers. Black attracts the heat from the sun and can overheat sensitive plants. Notice a plant wilting in the middle of the day despite being well-watered? Try moving it to an area that is shaded from the afternoon sun. Ensuring plants are protected from the heat of the day will give delicate plants a much needed break.

Staying in the Shade

Any plants that are found wilting in the blazing afternoon sun should be relocated to a more protected area. Many of these plants are either not hardened to the direct sunlight or are intolerant of full sunlight and require morning sunlight or shade. Being aware of a plant’s light requirements can help eliminate unnecessary stress that may slow or kill growth.  If the plant simply needs hardening off, place the plant in the direct sunlight and gradually increase the amount of time. For example, start with 15 minute increments and increase the time daily

Being able to help a garden endure these unrelenting, scorching temperatures will ensure it’s survival. The now prepared gardener can beat the heat without breaking a sweat.

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