Answer: tulips

AnswerCrossword Clue
TULIPS

Festival flowers

TULIPS

Valuable 17th-century Dutch commodities

TULIPS

Bulbs' output

TULIPS
Dutch export
TULIPS
Blooms from bulbs
TULIPSSubject of an annual Ottawa festival
TULIPSFlowers in a Tiny Tim song
TULIPSBlooms in the Netherlands
TULIPSDutch blooms
TULIPSMania source of the 1630s
TULIPSCause of a mania, 1634.
TULIPSFlowers.
TULIPSSpring flowers.
TULIPSTiny Tim's flowers
TULIPSBright flowers
TULIPSDutch exports
TULIPSCertain bulbs
TULIPSSigns of spring
TULIPSPennsylvania Dutch pottery design
TULIPSDutch treats
TULIPSMonet's Dutch subjects
TULIPSSpring bloomers
TULIPSBlooms of Holland
TULIPSDutch beauties
TULIPSWhat Tiny Tim tiptoed through
TULIPSBulbous plants
TULIPSEarly spring flowers
TULIPSSome bulbous plants
TULIPSTiny Tim's flora
TULIPSSpring flowers
TULIPSYield of some bulbs
TULIPSBulb products
TULIPSAnswer to the riddle "What flowers grow on your face?"