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Learning how to grow lilac in pots is a good idea if you are looking to elevate container displays in compact yards. While you might think lilacs are out of reach - as they can grow upwards of 25 feet at full size - there are in fact many dwarf varieties ideal for pots.In my family garden in South Wales, we have an old, gnarled lilac tree that can't be far off 20 feet.
When covered with blooms in spring, it is a fragrant and colorful reminder that the growing season is in full swing. While you might not have the space for something quite this large, opting for a statement shrub in a pot will have much the same effect.So, if you want to add some color and fragrance to your pot displays this year, consider learning how to grow lilac in pots.
Whether you have a small balcony or a tiny terrace, lilacs are spectacular shrubs that you won't regret adding to your collection. Here, one garden expert from New Jersey reveals all you need to know.(Image credit: Christina Rollo / Alamy Stock Photo)How to grow lilac in potsLilacs are spring flowering shrubs that can be grown in a range of settings.
There are 12 species within the lilac, or Syringa, plant family, most of which can be grown from US hardiness zone 3 to US hardiness zone 7, with a preference for sunshine and well-draining soil.Growing advice for lilac shrubs in pots(Image credit: Getty Images/fotolotos )Lilac shrubs might not be the first species that comes to mind when thinking about the best shrubs for containers, but many dwarf varieties can happily grow in pots. For example, 'Bloomerang' will grow no more than five feet and is perfect for container culture.
Lilac 'Bloomerang' live plants are available from Amazon.'To grow a lilac in a pot you are going to want to start with a larger container to give it plenty of room to develop,' says Bert Bast, garden expert and owner of Bast Brothers Garden Center in New Jersey.'Opt for a container that is at least 10, 12 or 15 inches in diameter,' Bert says.
'You want to move up at least a few inches to encourage your lilac to grow, so the exact size will depend on the plastic pot that your new lilac plant arrived in.'Make sure you position your pot in full sun, where the plant will enjoy six to eight hours of direct sunshine each day. Also, find a spot that is easy to access for watering in the warmer months.
Lilacs drink a lot of water,' Bert adds, 'and they might even need a drink twice a day during high summer.'Next, place an inch or two of drainage material in the pot. You can use a combination of grit, gravel and perlite to improve aeration and prevent soil from clogging the drainage hole.
Perlite is available from Walmart.'Then, fill your pot using a fertile potting mix,' Bert says. 'Firm the soil around your lilac, ensuring that your shrub is at the same level as it was planted in the plastic pot.
You do not want to plant too deeply, as this can rot the trunk.'Deep watering is important, especially just after you plant the shrub and during the hot summer months. Remember that pot plants are reliant on you for all water and nutrition, so adding these jobs to your spring and summer gardening checklist is important.
'In terms of how to fertilize lilacs, younger plants will not need much feed,' Bert cautions. 'You can incorporate a scoop of bone meal which is high in phosphorus and therefore good for root development, but only use a small amount when planting.'For mature plants that have been in the pot for over a year, use an organic plant food in spring.
' Try something like Burpee organic fertilizer, available from Amazon. Brayden Studio Ceramic Planter This ceramic planter combines beauty with practical functionality, making a dramatic statement when planted with flowering shrubs. Be sure to use a good amount of drainage material at the base of your pot to ensure your lilac does not sit in water.
Lilac varieties to grow in pots(Image credit: Alamy/C J Wheeler)Common lilac, Syringa vulgaris, can grow anywhere from 13 to 25 feet once fully established. While this would be fine when planted in the ground, for containers, you want a shrub that is more modest in scale.Taller specimens can topple in the wind, so growing a smaller shrub is preferable.
Fortunately for us, there are a handful of dwarf lilac varieties that are well-suited for pot growing and will only reach four or five feet in height.For example, the Korean lilac, or Syringa meyeri 'Palibin', is a bushy option that reaches a maximum height of five feet. This variety is hardy down to zone 3, although if heavy snow or frost is forecast, you might want to protect the roots by wrapping the pot base in burlap.
Live dwarf Korean starter plants, or Syringa meyeri 'Palibin', are available to order from Amazon. 'Josee' and 'Tinkerbelle' are two other compact varieties, usually growing to a height of four or five feet. 'Tinkerbelle' is notable as an early bloomer and prized for its spicy scent, whereas 'Josee' will produce masses of lavender-pink flowers.
Finally, one other option to consider when growing dwarf lilacs is 'Bloomerang'. With a four-foot by four-foot height and spread, this smaller variety is ideal for pot growing. Organic Bone Meal Feed Bone meal is high in phosphorus and is an ideal fertilizer for your lilacs.
Phosphorus supports root growth. Apply a light sprinkling to the surface of your pot and water in. 'Bloomerang' Lilac Bush Growing to a height of four to six feet, this dwarf lilac shrub is ideal for growing in pots.
The Syringa x Bloomerang produces masses of dark purple blooms in spring. Garden Magic Potting Soil This potting soil is perfect for using when growing lilacs in pots. It is designed to retain moisture, which can help to reduce watering during the hot summer months.
FAQsWhen is the best time to repot lilac shrubs? Every two or three years, you will want to repot your lilac shrub into a slightly larger container. Even providing one or two inches more room and refreshing the soil will do your plants the world of good. 'Repotting or transplanting of lilac plants is best done in the springtime when the temperature is mild but the plant has not yet surged into life,' Bert says.
It is also a good idea to remember to prune lilac every year, just after the flowering period. Lilacs flower on old wood, so pruning in late spring gives your shrub plenty of time to regrow before the onset of fall and winter.Remove any crossing or inwards branches to improve air circulation which will also prevent mildew and other problems from developing.
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