The best root medium pH for a majority of spring bedding plants, but not including petunias or geraniums, is:
A. 4.5 to 5.5
B. 5.5 to 6.5
C. 6.5 to 7.5
D. 7.5 to 8.5
Answer: B. 5.5 to 6.5
Biology Questions and Answers.
A. 4.5 to 5.5
B. 5.5 to 6.5
C. 6.5 to 7.5
D. 7.5 to 8.5
Answer: B. 5.5 to 6.5