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Biology problem help! 10 pts!?
A gardener planted pink hydrangeas in his yard last year, but this year when the flowers bloomed they were blue. He doesn't understand what happened. He took good care of the plants and mulched them with pine straw, just like the gardening encyclopedia said. What happened to his plants? How could he make them produce pink blooms again?
2 Answers
- 6 years agoFavorite Answer
Try talking about the idea of cross breeding; another plant could have bred with the pink hydrangeas, causing them to turn blue. In this case, it might be possible to produce pink ones again, but making sure they breed with more pink hydrangeas.
- kumorifoxLv 76 years ago
Blue hydrangeas are the result of the plant absorbing a lot of mineral nutrients, mostly copper and iron, which give the flowers their blue colour. These nutrients are free to be absorbed in acidic soil, but are locked up by lime. If the gardener limes the soil, the hydrangeas should produce pink flowers again.
