Temperature plant responses to temperature
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Temperature & Plant Responses to Temperature. Floral Careers Plant Propagation. Air Temperature. Most buildings, offices, and homes are maintained at temperatures between 60-80 degrees F. throughout the year . Microclimates.

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Temperature & Plant Responses to Temperature

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Temperature plant responses to temperature

Temperature & Plant Responses to Temperature

Floral Careers Plant Propagation


Air temperature

Air Temperature

  • Most buildings, offices, and homes are maintained at temperatures between 60-80 degrees F. throughout the year.


Microclimates

Microclimates

  • Climatic conditions will vary from location to location within a home or building.

    • temperature

    • humidity

    • light


Causes of microclimates

Causes of Microclimates

  • Heating/AC vents

  • Windows

  • Doors

  • Fireplaces

  • Incandescent Lights

  • Ventilation Fans

Dieffenbachia


What can be done

What Can Be Done?

  • People can move to a more suitable location, plants can’t!

  • Choices

    • Move the plant, or

    • Try to change the climate


Cold temperatures

Cold Temperatures

  • Causes:

    • Drafts from windows or doors

    • Air-conditioning vents


Cold temperature damage

Cold Temperature Damage

  • Plant symptoms:

    • Downward- curled leaf margins

    • Water-soaked lesions

Severe Cold Injury on Chinese Evergreen


Cold temperature damage1

Cold Temperature Damage

  • Little to no new growth

  • Reduced need for water

Severe Cold Injury to Dieffenbachia


Warm temperatures

Warm Temperatures

  • Causes:

    • Exposure to direct sunlight

    • Heating vents

    • Fireplaces

    • Incandescent light bulbs

    • Ovens


Warm temperature damage

Warm Temperature Damage

  • Symptoms:

    • Leaves turn yellow and develop brown, dry margins and/or tips. Leaves may turn all brown.

High Temperature Damage to Heart-leaf Philodendron


Warm temperature damage1

Warm Temperature Damage

  • Plants become “stretched” or spindly.

  • Problems with insects, especially spider mites.


Rule of thumb

Rule of Thumb...

  • Most interior plants are more tolerant of HIGH TEMPERATURES than of COLD TEMPERATURES.

  • Many interior plants are damaged at temperatures of only 50 degrees F, or less!


Humidity

Humidity

  • Foliage plants like 80%.

  • < 20% during the winter.

  • How can we increase humidity?


Temperature plant responses to temperature

The End


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