how to grow hydrangas?

Answer 1

Because hydrangeas are broken up into different species you need to know which one yours is.
I'll include a link to help you better understand which is yours and how to care for it. There is no set answer to many questions about "How to Grow". It's always better to see what thr REAL experts have to say. I had a white hydrangea I did everything wrong according to to directions yet every year it bloomed profusely.
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CARE & MAINTENANCE
http://www.hydrangeaselect.com/care_and_maintenance.html
Where and when to plant hydrangeas top
Because hydrangeas are broken up by different species such as macrophylla, serrata and paniculata etc… and each has slightly different cultural requirements, I have listed them separately below.
Macrophylla
Paniculata grandiflora or Pee Gee hydrangea and hydrangea arborescens
Serrata
Quercifolia (oakleaf)
Involucrata and aspera
Anomala petiolaris (The climber)

BELOW ARE SOME BASIC GUIDELINES TO FOLLOW
http://www.hydrangeaselect.com/care_and_maintenance.html
Open Link to read
The following guidelines are true for all hydrangeas
This website will explain everything you need and want to know.
Good Luck!

Answer 2

Soil preparation is key to growing healthy hydrangeas. They like moderately moist humus-rich soil that drains well. Plant in raised beds filled with amended soil if you have problems with drainage. Use topsoil amended with Canadian Sphagnum peat moss, compost, shredded leaves and composted pine bark. .

Hydrangeas prefer acid soil with a pH range of 4.5 to 6.5. Most hydrangeas are pH sensitive plants and are unable to take up iron when grown in alkaline soil. This becomes evident when the leaves become chloratic and take on a yellowish look.

Hydrangeas are moderately heavy feeders, but excessive and late season applications of nitrogen result in weak growth that is vulnerable to winter damage.Don't fertilize after Aug. 1. In the spring, hold off fertilizing until all danger of frost is past.:http://gardeneryardener.blogspot.com/2006/08/best-soil-for-hydrangea.html

Morning sun and afternoon shade is ideal. Too much shade will retard the development of flowers. Full sun can scorch the leaves so part sun to shade is best.

Make sure you prune at the correct time so you don't eliminate blooms.The smooth hydrangea (Hydrangea arborescens), bloom on new wood. Others, like some mopheads and many big-leaf hydrangeas (H. macrophylla) bloom on old wood, so any late-season (or fall or winter) pruning you do erases next year's flowers. The safest time to prune is right after flowering. Cut the spent blooms to the ground; then prune out any old, dead or weak shoots.
Good luck! Hope this helps.

Answer 3

In very acidic soil. They love epsom salt to make them blue.

Answer 4

lots of water is that plain enough

Answer 5

I got not a clue, good ?. ?