A lot, like Windmills, Clogs, Cheese, Tulips and apple cake xD
If you mean "Holland tulips", it means tulips from Holland.
There are no specific collective noun for tulips. I have seen suggested, an explosion of tulips and a tiptoe of tulips. However, any noun suitable for the situation can be used, for example, a field of tulips, a bouquet of tulips, a bunch of tulips, etc.
If you are saying that "1 in 4" of the tulips are red, the answer would be 4 of the tulips are red.
No, tulips are multicellular organisms.
Tulips are angiosperms.
Tulips
Tulips may die quickly due to factors such as inadequate watering, poor soil quality, pests, diseases, or extreme temperatures. It's important to ensure proper care and maintenance to help tulips thrive and last longer.
Tulips Tulips
Tulips are bulbs
Tulips are a spring bulb.
Nobody else makes Amstel beer, gouda cheese or tulips.