need help

samardzaFebruary 12, 2009

We've been having some bad luck with growing some shrube this past year. We're going to try again, but this time we got our soil tested. We intend to try some mountain laurel and dwarf cyprus. Does anyone know of an online source for info on their nutrient requirements, Ph info we have, but what about Phosphorus, Potassium, Magnesium and Calcium. Any help would be appreciated.

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An around complete meal would be to add compost. Work a little into the planting area and then top dress with a light layer and cover it with a nice organic mulch. For mountain laurel, be sure to plant just a little bit high (you want the last 1/2 inch of the root ball to be above the soil line; the mulch should cover it all up). It needs good drainage and planting it a bit high helps.

What was your soil pH level?

    Bookmark   February 13, 2009 at 11:55AM
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In a quick web search I did not find the specific numbers you wanted but many sites said to basically follow the same regime used for rhododendrons. I help look after some land with a few mountain laurels and they have survived for years with no human help except for pulling out invasive vines.

    Bookmark   February 13, 2009 at 4:08PM
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the 2 areas we're looking at have the following numbers
pH 5.3, Phosphorus 22, Potassium 26, Magnesium 33, Calcium 29
pH 5.4, Phosphorus 13, Potassium 9, Magnesium 26, Calcium 9

    Bookmark   February 14, 2009 at 10:17AM
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That seems to be an ok pH number for mountain laurel. Adding compost (you can often buy it bagged - like mushroom compost or composted cow manure) will help provide good slow release nutrition.

    Bookmark   February 14, 2009 at 8:55PM
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mainegrower(Z5b ME)

Compost is a wonderful soil amendment and conditioner, but often does not contain the nutrients and trace elements needed. Holly Tone is a highly organic complete fertilizer and is specially formulated for acid soil plants like mountain laurel. By all means use compost and mulch, but the addition of a complete fertilizer in early spring can be a big help.

    Bookmark   February 15, 2009 at 4:30AM
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