Crocus is a genus of flowering plants from the iris family comprising 90 species of perennials growing from corms. Crocuses are amongst the first flowers to bloom in spring, their goblet-shaped heads peeking through the snow spread delightful color around the white, snowy landscape! They're ideal for containers, borders and rock gardens, great for naturalizing, as also for attracting bees and other beneficial pollinators. Crocus bulbs not only provide winter garden color, but they naturalize, meaning that they spread and come back year after year.
Do Crocuses come back every year?
Crocus bulbs not only provide winter garden color, but they naturalize, meaning that they multiply and come back year after year with minimal care.
How long do crocus flowers last?
Crocus bulbs bloom in the spring or fall depending on the species after 4 to 10 weeks. The flowers stay in bloom for about 2 to 5 weeks.
How do I plant crocus bulbs?
Crocuses are most impressive when planted en mass. Pick out a large sunny area in the garden, lawn, or a wild area (rocky spots are great). Plant large drifts using groupings of 20-30 bulbs spaced about 3-4" apart. Crocus are ideal for this kind of naturalizing. Many varieties will thrive and bloom for upwards of 20 years! In the lawn, crocus have perfect timing. They will bloom well before grass starts to grow and by the time it reaches mowing height, the crocus are finished for the season. Established crocus clumps bloom earlier than first-year plantings, so avoid planning your garden colours around first-year bloom times.
Crocus are easy to grow! Plant your crocus in the Fall in large drifts anywhere you have sun to partial shade. Place bulbs 3-6" deep and space them about 3-4" apart. Crocus require almost no care and are hardy in zones 4-8. If your crocus seem to perform poorly, the most likely reason is over-watering in the summer. Crocus prefer their soil damper in the spring and fall, but dry and warm during the summer. Never plant crocus near summer annuals or other water-hungry summer blooms. As you give the annuals the water they need, you will be "drowning" the crocus and shortening their life. Excellent companion plants for crocus include flowering quince, forsythia, Asian jasmine, and witch hazel.