Otherwise water straight after planting, For bulbs that are only going to spend one season in their container, use a mix of three parts multi-purpose compost with one part grit. Dusting with fungicide will help keep the bulbs healthy. In an ideal world, there would be no need to prune your Acer. Look for bigger bulbs as they'll produce bigger blooms. Plant tender summer-flowering bulbs, including gladioli, in … Mon – Fri | 9am – 5pm, Join the RHS today and support our charity. Traditionally, bulbs like tulips and daffodils represent an easy way novice growers can create beautiful landscapes. For bulbs that bloom early summer or later, plant them in the spring. Wait for Spring to Fertilize. Once your plant has fully wilted, use scissors to get rid of excess foliage. Plant spring-flowering bulbs, such as daffodils, crocus and hyacinths, preferably by the end of September ; Plant tulips in November ; Plant hardy summer-flowering bulbs, such as lilies, alliums and crocosmia, in September and October; Spring. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips – all to help you grow successfully, For the latest on RHS Shows in 2020 and 2021, read more, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times », Reduced prices on RHS Garden courses and workshops, General enquiries Included in this category are flowers like … Begin feeding as soon as shoots appear, and stop feeding once the foliage starts to die down at the end of the season, If you bring pots of hardy bulbs indoors during flowering, put them in a sheltered spot outside as soon as flowering is over. However, continue to check pots in winter, ensuring they do not dry out completely, To promote good flowering next year, feed the bulbs every seven to ten days with a high-potassium fertiliser such as a liquid tomato feed. Snowdrops should not be planted later than early October. 222879/SC038262, Plant hardy summer-flowering bulbs, such as lilies, alliums and crocosmia, in September and October, Plant tender summer-flowering bulbs, including gladioli, in early spring, Plant autumn-flowering bulbs, such as nerines, by late summer, Most hardy bulbs, including tulips and daffodils, prefer a warm, sunny site with good drainage as they come from areas with dry summer climates, Bulbs from cool, moist, woodland habitats, such as, Dig a hole wide and deep enough for your bulbs. Make sure the growing point is pointing upwards. Most bulbs are ideal for growing in containers, but this especially suits those with large, showy flowers, such as tulips, lilies, arum lilies and alliums. Though the five bulbs featured below are winter-hardy down to USDA hardiness zone 5, planting them in the spring gives the bulbs plenty of time to get established before the next cold winter arrives. Ireland's Experienced & Qualified Gardeners Help You Care For Your Summer Flowering Bulbs. When to plant bulbs. Accuracy in planting depth presents the primary concern for summer bulb planting. Spring and Summer Bulbs. Autumn-flowering bulbs, such as nerines, can brighten up the late season with unexpectedly colourful displays. Flowers categorised as ‘summer bulbs’ are flowering bulbs which grow and bloom during the summer, and so they are planted at the start of spring. Healthy bulbs will feel firm and show no signs of mould or damage. In milder areas, plant in late October or early November after the soil cools — if you need to store them before planting, keep them in a cool location. Winter conveniently supplies this necessary cold period! Only plant summer bulbs once the ground has warmed up. Summer-flowering bulbs can be planted early to mid-spring. How to plant and grow bulbs. If that's the case then the best thing to do is get them in the ground or potted up as soon as you can. Unlike spring flowering bulbs, summer bulb plants do not need to cool for weeks before producing shoots. These can then be lifted in winter and stored. Summer bulbs, such as alliums, agapanthus and cannas, should be planted in spring, when the soil is beginning to warm up. Adding well-rotted organic matter will also improve drainage. Pick bulbs that are large and firm with papery skins. Many summer bulbs are ideal for growing in patio containers, especially tender species. Most bulbs like 6-8 hours of sun. You might also find they don't perform as expected in their first year - short flower stalks for example - but if they're a type of bulb that comes back year after year they should get better in subsequent years. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so. Do not plant summer bulbs into garden soil until it has warmed sufficiently. Bulbs you have stored over winter should be planted at the end of their dormant season. If you have heavy, clay soil dig in one to two buckets of coarse sand per square metre. Once you know your hardiness zone you can establish a general time frame for planting summer-blooming bulbs. In colder climates, plant hardy bulbs as soon as possible after purchase. But as … Smaller, early flowering bulbs, such as scilla and crocus, should be planted in the first half of October. Plant as soon as possible. Autumn. Bulbs are useful for adding colour to spring borders. This page has been archived and is no longer updated. BBC © 2014 The BBC is not responsible for the content of external sites. For example, for a bulb measuring 5cm (2in) high, dig a hole 10-15cm (4-6in) deep and sit the bulb in the bottom of it, Place the bulbs in the hole with their ‘nose’, or shoot, facing upwards. However, pests to look our for include slugs, snails, squirrels (particularly with tulips and crocus) and diseases such as daffodil viruses, grey mould in snowdrops, narcissus basal rot, tulip fire and tulip viruses. Read more. Most bulbs should be planted after a hard frost, usually from mid October until the ground freezes. We divide bulbs into two main categories: spring-flowering bulbs and summer-flowering bulbs. Plant your Asiatics in the mid- to late-fall for best results. Whether you’re looking for frilly, painterly Papavers and Irises or robust, buxom Ranunculus and Dahlias, there is something for every garden in this collection. Planting bulbs is another lovely way to add seasonal pops of color to your garden. Summer bulbs are flowering bulbs that grow and bloom during the summer. 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