Funny, if you look up ericaceous plants, they don’t call them acid
loving plants they call them lime hating.
There is no proof that they actually hate lime, they may, for all we
know, just mildly disdain it. To my
knowledge no one has interviewed them so we can’t be 100% certain. What we do know is that these revellers are
less lime tolerant and require acid, or ericaceous, conditions to thrive.
Of ericaceous species the best known of which are:
Rhododendrons
Azaleas
Camellias
Magnolias and
Heathers
Just because this group require slightly specialist conditions they are
not at all mysterious or to be avoided.
Au contraire , they are very simple to grow, easy to care for and incredibly
rewarding in almost every situation. In fact magnolias are largely trouble free in almost all environments.
Interestingly, most all ericaceous varieties are shallow rooted and
while this makes them easy to move, should you so wish, don’t plant them too
deeply and water in well with a thorough soaking to encourage the plant to establish. Always take care to ensure that
they don’t dry out as they don’t have a deep rooting system to search out
lower sources of moisture sources within the soil.
As these plants tend to be early flowering they carry spring buds and can therefore be susceptible to damage by harsh frosts.
If you know you have acidic conditions the plant can be placed directly
into the soil. Despite them having a
reputation for being challenging or problematical I’ve found them, without every
doing any soil testing, to be largely adaptable to most conditions within the
UK. However, that being said if you know
without doubt that there is a lot of lime pre-existing within your soil then
you can get round that by growing dwarf Rhododendrons or Azaleas in a pot or
container using an ericaceous compost mix which is very widely available.
Alternatively
you could plant them in a situation less naturally suited to their requirements
if you prepared the area with ericaceous compost and enriched the soil or
provided a regular acid feed annually, preferably prior to flowering.
The majority of ericaceous species are cultivated from woodland
habitats so most prefer partial shade and once established are usually completely
hardy and tolerant of surviving the coldest of our winters.
Deadhead after flowering, taking care to avoid damage to any new buds. Watch for vine weevil grubs harboured in the compost wreaking havoc in pot
grown subjects as excepting for these critters you should get years of trouble free enjoyment from your plants.
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