The Q&A Archives: Ph Requirements of Tropical Plants

Question: The Nursery I work for purchased several Tropical Plants from you and I need to know pH requirements for them to adjust fertilizer ratios and pH of our highly alkaline water which is 7.6-9.2

they are
Canna Tropicanna
Alpinia zerumbet
chloropetalum chinense
asparagus densiflora
cycas revoluta

fertilizer ratios can be given if needed that we're using...current irrigation water is pH of 7.04
Thank you,
Kyle Fletcher-Baker, MCN
Plainview Farm
529 Mountfort Rd.
NorthYarmouth, Me. 04096

Answer: This service is intended for home gardeners and comes to the National Gardening Association, not to Monrovia. If you have specific grower/retailer questions such as this I would suggest you contact Monrovia though your normal wholesale channels. Your local county extension may also be able to assist. Thanks!

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