Hi Micah!
For the plants with Cerrado origins (A.cornifolia, A.sp.rollinia, A.sp.squamosa) as well as for those with African origins like A.stenophylla or the one close to Paraguay (A.nutans), you should bear in mind what I found in Wikipedia, that I agree with:
"The Cerrado's climate is typical of the rather moister savanna regions of the world, with a semi-humid tropical climate. The Cerrado is limited to two dominant seasons throughout the year, wet and dry. Annual temperatures for the Cerrado average between 22 and 27 °C and average precipitation between 800–2000 mm for over 90% of the area.[5] This ecoregion has a very strong dry season during the southern winter (approx. April– September)"
So, my suggestion is: put these plants in full sun, and at least for 6 months, if the plants are planted in the ground, I would water much less than the rest of the plants you have, profiting from your dry season. So, be careful to not rot the roots with too much water when the plants are static! Especially for A.stenophylla which has at the base a tuberous root which cumulate water for the dry season every year!
By the way, if A.stenophylla start drying in the aereal part at the end of season, don't be afraid!!! It's normal, every year do like this, and restart growing from the tuber the following season, usually with new flowers!!
The rest of the plants, things are much easier, since A.bahiensis, A.parviflora, A.neolaurifolia and A.ubatubensis are much flexible. It worth to mention that I found in my bonsai collection that A.bahiensis and A.neolaurifolia are much more cold resistant but my advice is: do not rely too much on that, since I also found they react muuuuuch better if they are exposed to half shade/sun during the hot season days and protected by the cold wind during the night also in cold season. You recognize that immediately when they are in the flowering dress: they feel stonger if they were protected!
Another interesting tip is the manure: for all Cerrado type, they like organic manure, but do NOT exaggerate with it! The Cerrado ground like the African savannah are very poor soil!!! Too much manure can burn the roots easily. Do it carefully only few days before the seasonal new growths.
For the other annonaceae, they can tolerate much more flexibility in term of quantity and percentage of components, but do not exceed to acid PH.
Last but not least: be careful about the wind: these annonaceae are quite resistant, but I recognized that they prefer protected places from the cold winds. I mean, they don't like still places without wind, but not too windy! This is because still humidity can lead to mold in the leaves and that's really not good! If you have a place in the third line of the beachfront that's could be the best.
Ok, that's enough for the moment, for any other question you may have, just ask!
hugs from Italy,
Giampaolo
Aloha brethren,
In the nursery should they be in full sun or partial?
As far as watering goes? Is it ok to water every day like our other plants? Or should I set aside an annona cerrado zone that gets less watering? They look like they are quite hardy.
You get royal carpet treatment when you visit Hawaii from me.
Mahalo!
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