Container flower gardening can be tedious and expensive because most of the popular flowers only grow for one season. And don't get me wrong....annuals like Petunias or Bizzy Lizzy are popular for good reasons. They provide great color over a long period if they are maintained well.
But we also grow perennial flowers in our garden containers. They don't have to be replanted every year and with good care, they last for many years. And with the right choice, you can achieve great results and long-lasting color in your container garden with perennials.
Here are my top ten perennial plants for pots with lots of flowers that will grow again for years. No need to replant every year!
Small Floribunda roses are a delight in pots and they look great on
patios or near your front door. You can also grow standard roses in
large containers. You need a sturdy and heavy container for these so
they don't get knocked by the wind.
Choose compact, disease-resistant rose varieties like e.g. Flower Carpets or Knockout roses.
Use containers with a good depth to accommodate the taproot of rose plants.
Lavender is a great plant for container flower gardening. Place the
pot on a sunny patio for some nice scent of the foliage. The attractive
purple flowers are also great for bees and pollinators. This little
shrub is evergreen and looks great all year round. Cut them back after
flowering to keep the bush compact.
Important for lavender in pots: make sure that you use a free draining potting soil. The pot should have several drainage holes so your plant can never get waterlogged.
Agapanthus is a real stunner during July and August. The blue or
white flowers can turn any container garden into something exotic. They
are really easy to grow in pots but they are not frost-hardy and have to
be over-wintered indoors if you live in a cold place. Choose compact
cultivars for containers.
Dahlias come in many beautiful colors and shapes. My favorites are the dark-leafed varieties. They really set off the colorful flowers! The tubers are not frost-hardy but you can lift the tubers in the fall and replant them in the spring.
Go for compact cultivars for flower pot gardens. These perennial flowers
come in many striking colors...cream, yellow, orange or red. They
flower all summer long without much fuss. They can tolerate temperatures
down to -5°C/23°F. If you live in a cold area they can be over-wintered
in a dark place like a garage, attic or cool greenhouse.
This little perennial is a true delight for a container garden. They
flower from late spring to fall. The little pinkish daisies appear in
abundance. This trouble-free and hardy perennial is very useful for
underplanting e.g. standard roses or on its own in smaller pots.
Lillies are available in many colors and some of them have a heavenly
scent. We prefer compact varieties for containers. You can combine them
in one container with compact annuals like Alyssum, Lobelia or Violas.
Use dwarf Fuchsia varieties for container flower gardening. Many beautiful
varieties are available. 'Dollar Princess', 'Tom Thumb', 'Beacon' or
'Alice Hoffman' are popular and reliable varieties.
Fuchsias can tolerate semi-shaded conditions quite well which makes them a really valuable flowering plant for container gardens in shaded spots. Protect them from severe frosts in cold areas.
Dianthus varieties are easy to grow in containers. Their rich perfume is wonderful for flower container gardens on patios or balconies. They flower all summer and are available in all colors from white, pink to red. Pinks are compact with shorter and smaller flowers. They are great for smaller pots or window-boxes.
Hydrangeas are very showy in a container garden with their large flower heads. The compact types are suitable for container flower gardening. Grow them in shade in hot climates and water the containers well during the summer. Try e.g. Cityline® varieties or similar long flowering types.
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