The earliest bulbs start flowering as the snow melts, and others follow in quick succession, providing months of color while most other plants are still waking up. Spring-blooming bulbs are planted in mid to late fall.
Once they are in the ground, the bulbs will quickly develop roots before going to sleep until spring. Spring-flowering bulbs include:. Plant these bulbs in the spring, after all danger of frost has passed. Summer-blooming bulbs begin flowering in mid-summer and continue through fall, right until the first frost. They keep gardens and landscapes colorful long after other types of flowers have faded. Summer-flowering bulbs include:. This works great in large containers that are deep and wide enough.
This planting method can be used in-ground as well for a concentrated area planting. It can also be adjusted to fewer layers in smaller pots. For all bulbs, after blooming, cut only the flower stem back.
Leave foliage intact until it turns yellow and wilts to the ground; the leaves are gathering and storing energy for next year. If the foliage is cut back too soon, bulbs may not perform well—or at all—the following year. Spring bulbs: In warmer climates bulbs that require chilling can be dug up and stored until pre-chilling time the following fall. For colder climates, they can stay in the ground. Many will multiply and return year after year.
Summer bulbs: In warmer climates, bulbs can be left in the ground with a layer of mulch in winter to protect and insulate them. In colder climates, they'll need to be dug up and stored until the following spring. Cut any remaining stems and foliage back to a couple inches above the soil level.
Loosen the soil around the bulbs carefully and remove them. Shake as much soil as possible from the bulb and roots. Spread them out on newspaper in a cool, shady place and allow them to dry for a few days. But what happens after that? Some varieties also use this period to multiply. They grow more bulbs out of one and prepare themselves to give you an even more impressive flower show come spring.
When you hold the bulbs you are planting this fall in your hand, they might feel very solid, a kind of oversized golf ball. However, if you were to cut them open, you would find a series of overlapping stems pressed together very tightly. During the long cold winter months the bulbs are half-asleep. In this dormant period the bulbs do not grow in size or produce leaves above the ground, but they still quietly work away at growing an ever larger and deeper root system.
When it starts freezing above ground the soil itself protects them from any kind of frost damage, while the cold temperature in the ground below brings on chemical changes that prepare the bulbs for the growing season ahead of them.
The main reason the bulbs fall asleep is that temperatures outside are dropping. Drop the bulb in the planting hole with the pointed tip facing up. Cover with soil and gently firm down to fill any pockets of air. Find all you need to grow the best varieties of spectacular spring flowering bulbs, whether indoors and out in the garden, in one place at our spring flowering bulb hub page.
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