Ideally, bulbs should be planted at least six weeks before hard, ground-freezing frost can be expected in your area. The bulbs need time to root and establish themselves. On the other hand, planting bulbs too early can lead to fungus or disease problems. In colder northern climates, plant in September or October.
Waiting until spring to plant the bulbs will not satisfy these requirements, so spring -planted bulbs will likely not bloom this year. The bulbs likely won’t bloom this spring, but they may bloom later in the summer, out of their normal sequence, or they may just wait until next year to bloom at the normal time.
When to plant If you want to fill your garden with colour next spring, plant bulbs from October to December, before the first frost. Daffodils, tulips, crocus, grape hyacinths and fritillarias are just some of the plants to choose from.
As long as the ground can be dug and is not waterlogged, there is a good chance your bulbs will put on a respectable show. Narcissi are noted for preferring to be planted in late summer or early autumn. Daffodil bulbs like time to establish themselves whilst the soil is still warm.
The following tips will help you grow healthy, beautiful flowers. Soak fall- planted bulbs for 12 hours in warm water before planting. Soaking allows suitable bulbs to absorb enough water to begin growth immediately, saving two or three weeks of time.
When to plant bulbs 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.
How long do bulbs last unplanted? Up to one year if you store them properly and take good care of them.
The soil nearer the surface will be warmer than the soil deeper down, so the higher you plant your bulbs, the more the chance of them being in warmer soil and therefore of getting “cooked”. It won’t harm them by planting them that little bit deeper, whereas it may harm them if you don’t plant them deep enough.
The truth is that it is not too late to plant spring bulbs – but get on with it. Tulips are very comfortable with a January planting, but crocus and narcissi are likely to do better in their second season than first if planted later than November.
The general rule of thumb for planting spring bulbs is to plant two to three times as deep as the bulbs is tall. This means most large bulbs like tulips or daffodils will be planted about 6 inches deep while smaller bulbs will be planted 3-4 inches deep.
Three to six bulbs are suggested as a minimum number of summer bulbs of the same variety to plant in a grouping. Planting in Small Spaces – Plant bulbs of one colour in small spaces in the landscape. One colour will have greater impact and make the planting space look larger.
WHERE TO PLANT BULBS. As long as you ensure that your bulbs have good drainage and sunlight, you can plant them just about anywhere. Drainage is critical to keep bulbs from rotting. They like loamy or slightly sandy soil because it provides the drainage and nutrients they need.
Most bulbs can be left underground all year or stored inside after they’ve bloomed. After your bulbs have flowered, don’t remove their leaves while they’re still green; always let the foliage die back on its own. Bulbs gain their strength from their foliage, helping them grow and produce new flowers next year.
Tulips Need Cold to Grow When planting tulips in the spring, the warm soil may not allow the bulbs to break out of their dormant state and grow. For spring bulb blooms, you have to start in late winter for outdoor planting or indoors for transferring to warmer soil.
The best time to plant daffodil bulbs is in the fall (exact timing can range anywhere from September to late November, depending on where you live). The soil needs to have cooled off, but the ground still needs to be workable when you plant.