How often to water Begonias? (Indoors and Outdoors)

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Do you know How often to water Begonias? Begonia species belonging to the family Begoniaceae and a genus of perennials flowering plants that have beautiful shades of flowers. Begonias love humidity and thrive well both indoors and outdoors but indoors need some extra care like the presence of a humidifier.

Key takeaways:

  • if you want begonias to stay bright and beautiful, watering them properly is important.
  •  You will see begonias reaching a height of 10-12 inches with pretty flowers and are a great addition to the garden.
  • Other than humidity and appropriate care, the moist well-drained soil is perfect to grow begonias. Begonias still seem to thrive well in dry conditions.
  • Begonias still seem to thrive well in dry conditions.
  • Water begonias sufficiently so that they grow great. You have to water begonias at least once a time in a week.

Let’s see how you will be watering the begonias correctly to give them absolute care. 

How often to water Begonias? (Indoors and Outdoors)

How often to water Begonias? (Indoors and Outdoors)

The begonias in the younger stage of growth want more water and moist soil that is well-drained for at least every day in a week. This supply of water should be reduced by first checking the soil dryness and then going for watering the begonias. You mustn’t overwater the begonias which will call for fungal infections. 

Other than these factors like humidity, temperature, length of the plant, quality, and type of soil, the pot used also decides to water the begonias. The top 1-2 inches of soil should be dry if you are planning to water the begonias. In summer, you need to water the begonias every 2-3 days if they are outside or once a week if planted inside where the sunlight is not that direct and strong. 

Watering the Outdoor Begonias

The outdoor conditions in the midsummer to midfall can give some harsh direct dry conditions to begonias which can dry them out. The begonias in such cases need to be watered frequently, especially if they are not in a shady spot. 

The container begonias will need more water than in the ground as they have much drainage and the soil gets dry quickly outside. 

Watering the Indoor Begonias

Begonias when being planted indoors should be grown in containers with drainage holes and watered whenever the soil is dry, otherwise, they will be overwatered and rot.

On the cooler days, begonias get slow with their growth, and watering too much will create more trouble for them.

You need to water after every 15-20 days to keep them safe from getting dormant. In the spring season, you need to give them regular watering but not too much.

Using a humidifier while keeping begonias indoors will prevent the air from getting dry and be a healthy environment for begonias.

When to water begonias? 

Water begonias when necessary, because if you water them daily, there are chances they will sog. The plant also cannot thrive well in too-dry soil. It is safe if you water begonias one time every 2-3 days so that the soil stays moist and gets back dried out moisture again.

The right time to water begonias in a day is in the morning. The morning watering will soak the soil deeply and the wet leaves will be dried by noon so that no fungal diseases can occur. 

Watering the Begonias Seedlings

Begonias seedlings are in the tender stage so need good damp soil but too much pressure can kill and bend them. While watering makes sure the seedlings don’t get too wet and look at the soil if it’s getting dry quickly that means the seedlings are in clusters.

Frequent watering will help the seedlings grow, but make sure it is light and doesn’t damage the begonias. Daily watering is advised for the begonias seedlings, spray some water on the soil in between if the temperature is high. 

Signs of overwatered Begonias 

  • The overwatering of begonias happens when the soil is staying damp with too much water and for too long.
  • The soil having poor draining can also cause overwatering of begonias. Due to this, the root gets infected by fungus.
  • You need to cut down water and move the begonias to a pot with good drainage holes.
  • The roots that are appearing soft, blackish to brown need to be removed before moving to another pot.
  • Overwatering begonias can be deadly, so make sure the soil is dry when you water them.

Signs of underwatered begonias

  • Begonia shows wilting if they are not watered properly, and are underwater.
  • If the top inches of soil feel dry, they need water as water has already evaporated.
  • Leaves get dull and super dry on high temperatures and full sunny days, in such cases, water begonias need the soil with a watering pot. 

Concluding the article

Begonias are great houseplants and some species of begonias like wax begonias are great choices for creating beautiful landscapes, as they fill the space quickly and well. The blooms light up your garden and corner. For healthy begonias, watering is vital and we have uploaded all the information that you should have on how to water begonias. Enjoy planting Begonias! 


1. Can you overwater begonias?

You can overwinter begonias when the sun is shining and full direct light is heating and drying up begonias. Otherwise, the roots staying in water for too long will get rotten and show drooping of many parts of begonias plants. 

2. Do begonias like sun or shade?

Begonias thrive best in full sun to partial shade. The afternoon sun is harsh on begonias and they need partial shade at this time. The begonias also get dense in full sun, 4-6 hours of sunlight is suggested for the healthy growth of begonias. 

3. Should you mist begonias?

Misting the begonias doesn’t help that well, as the foliage might get fungal diseases if kept moist multiple times. The begonias love humidity but the misting of the begonias will trigger the fungal infection also you need to mist them numerous times to reach the humidity level they need. 

Becky Decker

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