NDSU Extension - Ramsey County


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September 12, 2011 Horticulture Column


What a beautiful weekend we just had.  This past week has been unbelievable to point of just about being too hot.  Many people like hot weather but I would prefer a little cooler, something in the mid 70’s would be great.  The lake was gorgeous although there was a few places that scum was taking over but the wind forecast for Monday and Tuesday and cooler temperatures all week should help straighten out the water.  I took Dad fishing last week and it sure did not take him very long to catch his own limit, of course he had to brag about it but he had a good time and wondered about going again.  We will have to see.

Hydrangeas can be very difficult to grow in our community and area.  Soil conditioning is very important for the success of the hydrangea plant and as our water table raises so does the areas that hydrangea’s will grow.  I will spend the time today talking about transplanting tips and helping you succeed in transplanting your hydrangea.  Deb and I have had very limited success in growing hydrangea’s but have finally found a spot that will grow the plants, as long as we water them (hmmmm!!!!). 

It is commonly said the best time to transplant hydrangea’s is when the plant is dormant, most all of the leaves have fallen from the plant.  October up to freeze up would be a great time to do the planting.  When digging your hydrangea dig up as much or the rootball as you can.  Roots are very fibrous and form a ball filled with soil.  This can make the plant very heavy to transplant so you might need help in transplanting.

§  Replant the hydrangea in an area that is shaded during the afternoon

§  If you have successfully planted the plant during dormancy, water them deeply

§  Hydrangeas MUST be kept watered for the first and second summers

§   Water regularly but do not overwater.  Overwatering can be very destructive to the plant.

§  If the leaves wilt and the soil is moist enough, midst the leaves each day until they recover.

§  If you have poorly drained soils, do not allow it to remain soggy.  Rootrot will take over and ruin your plant.


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