The Q&A Archives: tulips

Question: Can you tell me if tulips are perennials or annuals?
Also, I know you can make hydrangas a blue color. Does that apply to all hydrangas or only the white ones?

Answer: Tulips are perennials, meaning they come back year after year. After the flower fades, cut the flowering stem off but leave the foliage alone to die back naturally. The foliage helps the bulb store energy for the following year's floral display.

Hydrangeas turn either blue or pink depending upon the soil's acidity or alkalinity. Most white hydrangeas will remain white but the blue hydrangeas can turn pink in alkaline soil. And, pink hydrangeas can turn blue in acidic soil. You can manipulate the color of a blue or pink hydrangea but not a white one.

Hope this answers your questions!

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