Pawpaw from seed (Asimina triloba)

Towards the end of February 2020, I received 50 PawPaw (Asimina triloba) seeds from a seller off eBay. PlugsnPlants
I have found no local sellers or nurseries that had them.

Soaking the Pawpaw seeds for a day before planting
I soaked the Pawpaw seeds for a day

The seeds came with very clear germination instructions, but since I got so many of them and they don’t store well I thought I’d change it up a bit. 1/3rd of them I put away for cold stratification as instructed.
This batch I took out after about a month and put them in a large zip lock bag, but these have not sprouted. I think they must have frozen in our fridge as it does that from time to time.

Next 1/3 I put outside, where it’s cold, but hopefully not freezing and they will follow the season.

The Pawpaw I planted outside have not sprouted yet.
So far the ones I put outside have not sprouted yet.

The last 1/3 I tried to start off straight off. I presumed that the seeds had been stored in a cold environment already so there is a chance they will germinate as they are. If I got 3-4 plants out of this all in all I would be quite happy.
Turns out that the ones I tried out straight off, a week later they sprouted and it looks like I will get 6 seedlings from this last third of the 50 seeds I received. If I don’t get any more at all, I would still be very happy. This is a plant I’ve never seen in my life, as far as I know, and I certainly have never tasted. I’m going for the adventure of it… even it might take a while 🙂

After 7 weeks, my tallest Pawpaw can still fit inside my hands, but getting there.
This is the tallest one after almost 7 weeks

I hope to plant out this one behind a newly raised hugelkultur bed. This will give the Pawpaw some shade the first couple of years as they require, and also the hugelkultur raised bed will hopefully provide some valuable nutrients to the young tree.

The pawpaw have thrived under the grow lights.

Transplanted the first pawpaw into the ground on the 18th of May and currently, it looks like it’s doing well. I planted it partly shaded and put up a makeshift windbreak to minimize the transplant shock.

I plan to cut down the Common lilac (Syrin) bush I transplanted the pawpaw in it’s shade.
This Pawpaw from my first batch seems to enjoy the shade and soil next to this old stump.
This Pawpaw from my first batch seems to enjoy the shade and soil next to this old stump.

Pawpaw pollination concerns

I tend to be a bit too eager when I buy seeds, as I often just check if it will survive where I live, and forget to check other vital information.

With the Pawpaws, as mentioned already, a totally new plant for me, I forgot to check how it pollinates. To make things worse I’d already transplanted quite a few of them before I learned that they need pollen from another tree that differs genetically from each other to provide fruits from successful pollination.
In addition the trees must grow close, like 3-4 meters (10 – 15 feet), as they are not pollinated by bees, but by flies and beetles.

So, I had to get some more seeds as I don’t have any information about the seeds as if they were all taken from one plant or related plants.
I figured I’d have a good chance if I just ordered seeds from a different seller from last time.

The new seller digitalgeezer provided the best information I’ve ever had from a seed seller on eBay. Not only did the note say the seeds had already been cold stratified, but it was also explained very carefully where their seeds originated from and that all their seeds were mixed from several patches of trees with a different genetical origin.

These seeds have not germinated yet, but when they do I will transplant them as quickly as I can and label them all so I know that those are different from my first batch.

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