Who wouldn’t want to know how to grow camellias? The bright, colourful blooms will spring to life when there is precious little else in flower, bringing a splash of joy to any garden in winter. These evergreen shrubs, with bright glossy green foliage are bold and elegant; and what’s more, they love a shady spot.
We love them because they are hardy enough to be very happy outdoors in a cool climate. Flower buds may need temporary protection during periods of extreme cold and frost, but generally camellias are relatively trouble-free, with few pest and disease problems.
They come in a variety of sizes, but are generally slow growing, don’t need much pruning and only occasional feeding. And for a plant that is relatively low maintenance, the rewards are very high.
For camellia success the two things you have to get right are the aspect and the soil. They prefer shade, but will suit most locations apart from east-facing, as early morning sun can harm the flowers. And they need acid soil to grow successfully in the ground, although most will perform just as well in pots. Keep reading for our expert tips on growing colourful blooms, then head over to our best plants for winter colour for more ways to add interest to your garden during the colder months.
WHEN TO PLANT CAMELLIAS
If you don’t already have a camellia in your garden, autumn is the best time to plant one. Choose a shrub with plenty of buds forming and you should get a good display in your first season.
Plant in lime-free soil improved with humus. Never plant a camellia in a situation where the plants receive the early morning sun in spring as a quick thaw will cause buds and flowers to drop off.
DIFFERENT TYPES OF CAMELLIA
There are thousands of different colours and types of camellias to choose from. The earliest flowering varieties are mostly in the Sasanqua group, with blooms appearing from October onwards. But other varieties will flower as late as April. Camellia hybrids range in colour from white through to pink and deep red, and blooms can be single or double flowered, formal, peony or anemone style; some are even scented.
The majority of camellias, including the most widely available C. japonicas and C. x williamsii hybrids, need a moist but well-drained acid soil. And although the plants themselves are hardy, the flowers can be damaged by frost and cold winds, which can turn them brown, so it’s important to plant them somewhere sheltered. They also prefer dappled shade, which replicates their natural habitat on the edge of woodland glades.
For cold gardens, the C. x williamsii hybrids are your best option. Cultivars of C. sasanqua bloom between September and January and will tolerate a neutral pH. They also need more sunshine so that flower buds can form, and they’re not as hardy. They’ll be happy enough in a mild, coastal garden or an urban spot, but some gardeners prefer to grow them in containers that can simply be moved into an unheated greenhouse or conservatory when the weather turns chilly.
HOW TO GROW CAMELLIAS
The main thing to remember is this: they don’t like limey soil. If you're not sure about your soil type then read our guide to soil types to help. If your soil is slightly acidic then you don’t need to worry: you can treat them like any other evergreen shrubs. If not scroll on to the next section for how to grow them in containers.
If your soil is good for camellias then choose a site that’s shaded by overhanging deciduous trees, but plant well away from the trunks to avoid root competition. Moist – but not soggy – soil is best. If shade from trees is not available, choose a north-facing site. Alternatively, if you can be sure to water regularly in summer, plant on a south- or west-facing wall, where plants will flower even more prolifically.
HOW TO GROW CAMELLIAS IN POTS
Camellias are ideal plants for large containers as they adapt well to container life; also, in areas with limy soil, it’s easy to provide the growing medium that suits them best.
Choose a bagged ericaceous compost from the garden centre and plant in spring or autumn. Set trailing plants such as ivies or vincas around the edge, along with clumps of dwarf bulbs. As your camellia grows and spreads, these other plants may eventually be squeezed out.
Watering is crucial; ensure roots never dry out by drenching with rainwater whenever necessary. Drought at flowering time will cause bud drop; drought in summer leads to poor growth and poor bud formation.
Some gardeners site the camellia tub in a prominent position for flowering, then move it elsewhere for summer – just don’t forget to water. You can also move the container into the conservatory for flowering, then back outside after.
HOW TO CARE FOR CAMELLIAS
The brighter and sunnier the situation, the more watering your camellia is likely to need in the drier months. Conserve moisture by mulching with weed-free organic matter in autumn. If irrigating with tap water, be sure that it’s soft (lime-free); hard water may be too limey. Rainwater is best, and watering camellias is the ideal use for water in your water butt.
In poor soil, an annual rhododendron fertiliser feed in spring will help keep plants growing and flowering well. Little pruning is required, although occasional snips to improve the overall shape are sometimes necessary.
PROBLEMS TO LOOK OUT FOR
Camellias can be prone to yellowing leaves which usually suggests a nutrient deficiency. They need a slightly acidic soil and with the wrong pH the leaves will tend to be small and yellow between the veins.
But if you are confident that you are growing it in the right soil conditions then it could be that the soil is being allowed to dry out. Your soil should be kept moist throughout the year as camellia cannot tolerate drought or waterlogged conditions. If your soil has a tendency to dry out, your shrub will benefit from mulching with bulky organic matter such as well-rotted compost or manure. This is best applied in early spring. Our guide on how to compost has lots of tips to get you started.
BEAUTIFUL CAMELLIA FOR YOUR GARDEN
Camellia 'Yuletide' at Thompson & Morgan
Very festive, thanks to the eye-catching mix of red petals, golden yellow stamens and luscious dark green foliage. Blooms: Nov-Jan. Can be grown in a container; move somewhere frost-free once temperatures start to plummet. View Deal
Camellia japonica Volunteer at Gardening Express
This variety will give you large pink blooms which will open up from mid-late winter through to spring. It will grow happily on a sheltered patio. When the buds first open the petals are a soft pink shade which gets even lighter round the edges, gradually the blooms will deepen in colour to show off the two-tones effect even more.View Deal
Camellia japonica 'Lady Campbell' at Crocus
This deep pink variety will give you plenty of double headed flowers from January to March. It will eventually reach heights of over two meters. Plant it in a sheltered spot in partial shade.View Deal
Camellia 'Brushfield's Yellow' at Thompson & Morgan
Plant this creamy white variety to take centre stage in a spring border, bursting into bloom in April through to May. An interesting fact about these beauties is that the blooms are edible! The petals can be used as a garnish or dried and used in Asian cuisine.View Deal
Camellia 'Spring Festival' at Crocus
You'll get year round interest from this shrub with its glossy rich foliage but it will come into flower in late winter to spring. It has lots of groups of smaller flower heads rather than fewer large ones which will look amazing in your garden. Lightly prune it back after flowering has finished.View Deal
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