Hi all. I am trying to get info' re-constructing a propper crown on to an almost flat green, the green is only 30m sq'. Is there a reccommended height to the centre of the crown, or is it just a matter of personal choice?.
If our club were to do this at the end of Sep't, would seeding the new surface give us a playable green by the following April, if we had e decent winter that is?
Many tanks, Bill
The crown should be 380mm above the green corner levels for a green 36.6m x 36.6m pro rata for greens of other sizes. As to seeding I would look to turf.
Any one good with maths?
311 mm lift and around 140 cu meters of root zone?
It's also a matter of personal choice. If you go by the text book all the greens would be the same.
I'm upping ours by adding small amounts of top dressing in places and building it up that way. It's slow and painstaking, but we have a decent size crown anyway.
Surely the most important reason to make changes to a Crown Green is to ensure the greatest level of home advantage possible - as no two greens are the same and greens do not need to meet any given 'Standards' (unlike the Level game).
In this vain, you could put the crown in one of the corners if you so wished! And therin lies a dilemma - who decides what form it should take - because ask 50 members and you'll get 50 different answers!
All the best 'retro fitted' crowns I have ever seen/played on have simply removed the existing turf (by mechanical turf cutter to ensure consistency) raised the crown with appropriate rootzone, then re-layed the turf.
Make sure you do this as soon as the bowling season has finished - re-arranged the last few home games if necessary - do it as quickly as possible then give it the late autumn to recover.
Many thanks to responce re - bowling green height. The only reason i suggested seeding after raising green , was that the green is in poor condition and would benefit from a new playing surface, rather than go to the labour intensive job of removing and then re-laying the old turf. I take it that i would have to use entirely root zone, as opposed to screened top soil?, where would i buy such a product from?. I'm trying to gather as much info' as possible, re the costing and viability of such a project for a small club. Many thanks, Bill.
As for purchasing root zone depends where you are based ? The haulage is the killer, so the more local to you the less you should pay, but do shop around for quotes.
The other thing that you may need to consider is drainage, if you are looking to raise the profile of the green by around a foot, your existing drainage may not adequate.
As already suggested getting of the green as quickly as pos to allow the work to be done in good weather, you could also extend the time you have to get the green ready, by playing next years early fixtures away. This way seeding could be an option and cheaper, as long as you give yourself a window early spring.
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