The first crocus of spring. Sunny yellow daffodils naturalized under trees. Beds full of crimson tulips—it all starts now.

After gardening all summer, it’s hard to add yet another chore to the pile of things to do this month, but planting bulbs should be near the top of the list. Getting them in early not only affords you the best selection at the garden center, but gives roots time to grow in still-warm soil, preventing frost heave and providing the best start to next spring’s bloom.

Pick a location that gets plenty of sunlight, particularly if you intend for your bulbs to come back year after year. Most bulb species bloom well the first year, but here in Colorado they tend to diminish with each successive growing season. Especially in the case of tulips, assume that you will need to replace them annually for the best display. Even other species will need ideal growing conditions if they are to increase in size and number.

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