Monday, May 17, 2010

How often do you water potted Gardenias and Rhododendrons?

I have a new Gardenia and Rhododendron in pots and am wondering how often and how much should I be watering these plants?

Thanks to everyone who can help!

How often do you water potted Gardenias and Rhododendrons?
Gardenias need their soil to be kept moist but not soggy. They also need to be kept in a humid place, but since yours are potted you will probably need to mist them often. Oh, and even though you didn't ask, they need to be kept in a temperature of under 80 degrees if you want them to flower.

i don't know much about Rhododendrons, so i looked them up. Here's what i found:

rhododendrons prefer a moist, well drained, acidic soil with a pH between 4.5 and 5.5. If your soil drains poorly, mix the existing soil with equal parts of Complete Planting Mix® and organic matter such as peat moss, fine pine mulch, or composted oak leaves.

rhododendrons have shallow root systems. Two to 3 inches of mulch around the plants will help keep the soil moist. An acid mulch, such as fine pine bark or composted oak leaves, is ideal. Rhododendrons must be watered during dry periods, not only in the summer, but also in the fall as they head into winter. This will reduce damage from drying winter winds. Soak the planting area thoroughly, then allow it to dry out for several days to a week before watering again. A Dramm Water Wand® is the best watering tool for spot-watering new plantings and deep soaking older ones.

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