Garden Help
Diagnose plant problems and treat garden pests


Get Gardening Help!

Home > Projects >

How to Maintain a container plant


You will need: Compost, Hand fork, Gravel

Unlike plants growing in the borders, which can send out new roots in search of food or water, those in containers are completely dependent on you for all their needs. Along with checking regularly through the season for watering and attack by pests or disease, annual maintenance is important if they are to grow well and remain healthy.

Best time to do it:

JanFebMarAprMayJunJulAugSepOctNovDec

Step 1

Step 1 of How to Maintain a container plant

Weeds in the pot compete with the plant for water and nutrients. It may be necessary to remove the top 2cm of compost to make sure you get rid of both weeds and seeds.

Step 2

Step 2 of How to Maintain a container plant

Replacing the lost layer with fresh, sterile compost helps reduce the weed problem and, if the compost contains fertiliser, feeds the plant too.

Step 3

Step 3 of How to Maintain a container plant

If there is no food in the compost, you can add controlled-release fertiliser to last through the season. This only works properly if it is dark and moist, so fork it gently into the upper level of compost.

Step 4

Step 4 of How to Maintain a container plant

For a long-term planting, mulching the surface with gravel, slate chips or bark will suppress weeds and conserve moisture. This will need washing or replacing when you repot the plant.

Related FAQs


Ask a gardening question:




Latest Gardening News



Latest Gardening & Horticultural Careers


Explore Gardens from Around the World


RHS Garden, Wisley
Woking, United Kingdom

Medellin Botanical Garden
Medellin, Columbia

Pukekura Park
New Plymouth, New Zealand

The New York Botanical Garden
New York, United States



Watch a Video!

How to Grow Perennial Scabius
How to Grow Perennial Scabius
How do I protect container plants from the cold?
How do I protect container plants from the cold?
How can I get rid of mushrooms growing in my lawn?
How can I get rid of mushrooms growing in my lawn?
Weed Control Using Mulch
Weed Control Using Mulch
How do I protect my tulips from squirrels and other pests?
How do I protect my tulips from squirrels and other pests?
How to Grow Orchids
How to Grow Orchids