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Top 7 Autumn and Winter Flowering Bulbs
Last Updated on January 21, 2020 by John
When you think of bulbs, you think of Spring and summer, bright colours that litter the garden, especially in spring. But what about Autumn and winter? They deserve their fair share of colour and blooms too. Thankfully, there are many blooms you can plant to give your garden which is often overlooked, add some bright winter pop.
Below are our top 7 Autumn and Winter flowering bulbs:
These plants can be cultivated outdoors or in greenhouses. Every species offers 6, narrow petals which have very prominent stamens. The leaves take on a strap-like appearance and produce either after the flowers or with the flowers. The leaves will appear in Spring and die down by the end of summer but the flowers will come forth in the autumn. There are varieties that do quite well outside as long as you give them sunny, sheltered positions either at the foot of a wall or in an open border. If you have a shaded area in your garden you can grow them but you won’t get any flowers. More importantly, they don’t do well if they have to compete with other plants nearby for nutrients which makes them perfectly suited for container growing. One of the later flowering varieties for autumn colour is Nerine undulata Flexuosa Group
Cyclamen hederifolium (Neapolitan cyclamen)
This variety Will Spring forth in autumn, right about when all your other plants have finished blooming. It truly produces a captivating sight when you grow large quantities at once. The flowers sometimes open before the leaves if not concurrently. You will see rich magenta or white shades depending on the variety you pick. They are quite small spanning about 2.5 cm and rising above the foliage on stems that are no more than 10 or 15 centimetres tall. Some versions are richly fragrant and others feature graceful, upswept petals that get darker closer to the mouth. The foliage is what lends the nickname Ivy leaved to the plant, as it takes on Ivy shapes with shades of dark green, and silver. The best part is the foliage is quite long-lasting and will produce an evergreen ground cover throughout most of the winter and well into springtime so you can add rich shades to your garden without a great deal of effort.
This is one of the most robust and easiest of the family to grow. It will self-seed if left undisturbed and naturalise. It has received awards for its outstanding qualities and doesn’t require any weeding or deadheading. It’s very tolerant of drought or dry soil as well as deer but keep your eyes peeled for mice and squirrels. You usually buy them as growing plants in trays or single pots later in the year.
Cyclamen coum (Eastern cyclamen)
Commonly referred to as the Persian Violet, this award-winning early bloomer brings about heart-shaped, glossy leaves but these are not nearly as attractive as the small, showy flowers that come in quite literally any shade from white all the way to rosy-purple. They will add a lot of cheer and beauty to your garden at the end of winter long before any other plants arrived. In fact, the blooms are so abundant that you won’t even see the leaves underneath. Still, some of the leaves are quite decorative and you can find dark green varieties that are adorned with nice silver patterns.
Slightly larger than a few counterparts on this list, this species will grow between 7 and 15cm wide and tall. It’s a very strong plant that can withstand the coldest of English temperatures. It’s also a self-seeding plant so it will naturalise very quickly and over the years spread effectively so that every winter brings forth an array of cheerful colours. Very low maintenance it doesn’t need anything like deadheading or weeding. It just needs well-drained soil with partial shade and some mulch to cover it over winter. It looks fabulous when combined with the snowdrops because of the way the flowers take on a winged, butterfly shape that juxtaposes the drooping bell shape of the snowdrops. They also work well when planted in winter containers and hanging baskets too.
Eranthis hyemalis (Winter aconite)
While most people consider the crocus as the tell-tale sign of warm weather approaching, it is the winter aconite that blooms even sooner. Winter aconites will pop up through the snow and they won’t be frightened off by English frost. As soon as the weather changes, their buttercup like blooms as shown above will arise and greet any who took the time to cultivate them.
Winter aconite bulbs are tubers which means they store moisture and food in the tuber for hibernation. They need to be deeply planted to protect them from winter, but they are small so you can plant lots of them in one garden bed. Come to the first start of Spring you will notice their green shoots poking through the landscape, followed by the small, yellow blooms. These are small too, no more than 3cm across and resting just 8cm or so above the ground. A few days later these blooms will fade but you will be left with the foliage that remains present until your other Spring flowers come forth.
As the snowdrops sprout from the ground, look for the shoots of snowdrops peeking through, preparing for Spring. Even in winter, the sunlight heats the tips of the snowdrop leaves through the snow, leaving them warmer than the area around them, and as a result, they can push their way through the snow and shoot forth bulbs with 2 or 3 narrow leaves and one white bloom which deer will leave alone.
They are small, bell-shaped flowers that come in white flowers, some with green tips and others with green markings. Each flower brings forth two whorls with three lobes. They are sufficient in attracting pollinators to your garden such as bees at the start of spring, with blooms appearing between February and April. Small in size, spanning between 15 and 30cm, don’t let their size fool you. You can grow them in containers, planter beds, or wild in the garden. If you grow them in your garden, directly in the ground, you won’t have to do much in terms of amending the soil. These little guys are quite strong and fend for themselves. If you grow them in a container, a potassium heavy fertiliser can help them spring forth.
Note that snowdrops take one year to establish themselves, but by the second year they will start to spread on their own, producing more flowers and multiplying. We recommend buying them in leaf in pots as it seems to be more successful than planting the bulbs.
Just when you think you can’t take another bland, white winter day, your crocus will push through the snow and bring forth delightful blooms. There are varieties like the snow crocuses which are the first to produce blooms, all the way to oversized Dutch varieties but even here, oversized means no more than 10cm. In terms of colour, you can choose purples, blues, oranges, reds, yellows, pinks, and more. Any of these stand out against a white, bleak landscape of winter.
What’s more, most have strong scents that are sure to drive bees to your garden as early as February or March. Crocus bulbs naturalise so they will spread on their own, return year after year, and eventually put on an even larger display. For those who have animals nearby, rest assured rabbits, squirrels, and deer typically stay clear of them.
Named for the Greek goddess of rainbows, the colour brought about by the iris flowers are sure to please any eye. There are so many hybrids out there that any colour or preference can be found. Irises can be found in many sizes, both short, 15cm height varieties and long varieties taller than 1 metre.
No matter the version you select they need full sun for at least half of the day. Very few varieties will tolerate shade, specifically the Siberian varieties, but they won’t flower as well. If you pick reblooming varieties, of which there are many, they will produce flowers in the summer and in the Autumn so you get the best of both worlds.
In terms of colours, you can pick white, black, lavender, purple, yellow, and anything in between. You can choose from rhizomes or bulbous options. The rhizomes come in the bearded, beardless, and crested form. The bearded are the most popular because of the white hairs that fall from the centre and the surrounding petals. These are likely what you have seen if ever you stumbled upon irises in a garden. The beardless come with smooth falls and are used for mixed borders with milder climates. Crested can tolerate partial shade. The bulbous versions include the Dutch hybrids and all smaller, dwarf varieties that bloom earlier and are best for pots.