1.   Double early tulips also bloom in mid-April and last even longer.

2.   Fosteriana tulips bloom for almost three weeks in April with large flowers on short stalks.

3.   Single early tulips bloom more than two weeks in April and return well.

4.   The berries will be good through Christmas, and the tulips should bloom by then.

5.   The reason a tulip blooms less boisterously each year is that some of its energy is going into making bulblets underground.

6.   The virus is transported by aphids, which are generally not active when tulips bloom.

7.   These tulips bloom at various times in April and May.

8.   Triumph tulips bloom at the same time as Darwin hybrids, towards the end of April.

9.   Why do tulips bloom only once while daffodils manage a bloom every year?

10.   While most daffodils bloom in April, and most tulips bloom in May, Star of Persia, like many alliums, is a June bloomer.