Temperature Range (˚F) Days Nights Cool house 61-65 55-61 Intermediate house 70-81 60-70 Warm house up to 90 70-75 In June plant growth is at its maximum. All repotting should be stopped except for summer-flowering Cattleyas. These can be repotted as soon as flowering is completed. There can be exceptions to this if necessary; plants…

Compiled by Dixie McCulloch, a longtime KOS member who joined in 1988. Temperature Range (˚F) Days Nights Cool house 61-65 55-61 Intermediate house 70-81 60-70 Warm house up to 90 70-75 With the higher outside temperatures the temperature inside will increase greatly. This means you will need good air movement in the greenhouse to keep…

Compiled by Dixie McCulloch, a longtime KOS member who joined in 1988. Temperature Range (˚F) Days Nights Cool house 55-65 50-54 or lower Intermediate house 65-70 61-65 Warm house 70-73 70 The main vegetative growth begins in March. New growth is controlled by increased moisture and humidity, increased temperature, and longer daylight hours. From now […]

Compiled by Dixie McCulloch, a longtime KOS member who joined in 1988. Temperature Range (˚F) Days Nights Cool house 55-65 50-54 or lower Intermediate house 65-70 61-65 Warm house 70-73 70 The main vegetative growth begins in March. New growth is controlled by increased moisture and humidity, increased temperature, and longer daylight hours. From now…

Compiled by Dixie McCulloch, a longtime KOS member who joined in 1988. Temperature Range (˚F) Days Nights Cool house 55 50 Intermediate house 61-65 59-61 Warm house 70 66-70 During February, rapid temperature changes in the greenhouse can take place during the day due to increased sun intensity as it moves north, but nighttime temperature…