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Pennsylvania Gardening
lily603

safe date for perennials

lily603
11 years ago

may 1st i made my trip to black creek and have about 50 small pots to plant. my question is - is there a website that gives proper temps for plants? petunias, geraniums, etc. will not put tomatoes in yet. but several perennials (annual ornmental grass) are iffy. is ground temp more important than air temp? can i shift to a bigger pot and thus stave off slow or stunted growth. last year i pulled out some summer annuals that went in too soon and never developed.

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