Viridiflora tulips are distinguished by their striking green markings on the outer petals. “The petal colors vary widely, ...

Are tulips perennials? Or, in other words, do tulips come back each year? Here's the answer to all your questions about this ...

Tulips are stunning spring bulbs that flower in April and May ... When we tested double-flowered varieties we found that the display was less impressive for the double flowered types that we left in ...

Threats to species health as well as also insight into the wood ... if available. This week, we meet Tulip tree or Liriodendron tulipifera. The state tree of Indiana, also known as the tulip poplar or ...