How to grow custard apples? I've just get some custard apple seeds (not sure if they're like...

I've just get some custard apple seeds (not sure if they're like as 'soursop') Does anyone know :
-When to plant them?
-Best conditions for growing them (temperature etc)?
-The best kind of soil / fertilisers? I read that they similar to soil of 'volcanic origin' but is this necessary & is it available within the UK? Thanks !!!!
My Michelia figo untried leaves maintain shifting brown...
Answers:    I just love it when I swot up something new and appreciation to you I did.. Custard Apples!! I had no theory.

Custard Apple
Annona reticulata
Purdue Horticulture
http://www.hort.purdue.edu/newcrop/morto...
Description
Origin and Distribution
Cultivars
Climate
Soil
Propagation
Culture
Harvesting and Yield
Pests and Diseases
Food Uses
Toxicity
Other Uses
Ficus Tree is Dying, Has MUD close to...
This information has be extracted from the Agrilink Custard Apple Information Kit, which provides information on all aspects of growing and marketing custard apple within Queensland and northern New South Wales.