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FAQ overview




How frequently do begonias need to be fertilised?

The easiest way to fertilise potted begonias is with one of the slow release fertilisers that has a three to four month release period. Add the manufaturers recommended dosage to the pot at the first sign of new growth in early spring, then again in early summer and a third application in early autumn. Other fertilisers such as water soluble inorganic or organic fertilisers can be applied at the manufacturers rates on a regular basis throughout the growing period.

Begonias planted in the garden can be fertilised in the growing months with soluble organic or inorganic fertilisers, but a well maintained soil should have enough nutrients for the plant to grow adequately without additional fertiliser. Well maintained soils are those that have been mulched as well as having had regular applications of animal manures or blood and bone.

How often should begonias be watered?

Begonias are semi-succulent plants that are mostly tolerant of dry conditions. They are not drought tolerant, but are centainly considered water miser plants. In pots they should be watered thoroughly then allowed to dry out before watering once more. Drying out means the top two centimeteres of potting media should be dry to the touch. In winter this may mean watering once every three or more weeks, and in summer as frequently as once or even twice a week during the hottest days. Other factors such as the plant pot size ratio play a role, a small plant in a large pot will need less watering than a large plant in a small pot. The potting media is also a factor, with well aerated light indoor potting media needing more frequent watering than heavy compacted outdoor potting mixes.

In the garden begonias can be watered at the same time as your other garden plants with no other special requirements.