What are different from the species ?
Clement

Very beautiful Edwin! Is the species so blue? Have you propagated it yet?

@ Edwin:
Farjon says engelmannii ssp. mexicana.

I had a normal mexicana with very blue needles like yours in earlier times, but never cones. So I think this can be the difference. What I will tell you. I planted my small one in 1982 and the next ten winters we had very deep temperatures till -25�C. But never there was any damage. I think, this is a very hardy species.

So far for winter hardiness.

Wolfgang

Clement, I saw at your plantslist that you've also the Picea mexicana in your collection.
Did that plant also have cones at an early age?

I also have some grafted ones of the Picea mexicana species but the main difference with the 'Pervana' is that the last one does have a more graceful habit and does have longer needles.

Fotis, it's propagated, I've one specimen at my nursery :0)
The needle colour is an outstanding blue just like the one at my pics.

Wolfgang, thanks for your comment about it's winterhardiness, that's valuable info for me!

Now I'm very interested in Resin's comment about the true species name.
Is it Picea mexicana, Picea engelmannii var. mexicana or Picea engelmannii ssp. mexicana?
Thanks in advance!

I would say thats a normal picea mexicana I have one
called 'Blue Shimmer' maybe more blue.

Called it first!!! :)

"Now I'm very interested in Resin's comment about the true species name.
Is it Picea mexicana, Picea engelmannii var. mexicana or Picea engelmannii ssp. mexicana? "

I'm for Picea engelmannii subsp. mexicana. It is similar to P. engelmannii in morphology and genetics, but does show distinct adaptations to different climatic conditions.

Resin

Thanks Resin, can you also tell me if it is common for this species that they're bearing cones at such a young age or is this a typical thing for the cultivar 'Pervana'?

I'd guess it is just because it is grafted, with physiogically mature growth on top. Grafted plants often produce cones much younger than seedlings.

Resin

My plant from seeds have now 6 to 7 meters hight, with some cones at the top.
Clement

coniferjoy

Very nice pictures. I'm not sure about the "Pervana" suffix (but I think it is incorrect). According to relatively recent studies this is a separated species from Picea engelmanii (https://doi.org/10.1600/036364404774195485 and https://doi.org/10.1016/j.ympev.2013.07.004), and deserves the status of species: Picea mexicana Martínez.

You right! This species is similar than P. abies var. Acrocona, with the difference that Acrocona can produce cones at a year old; for P. mexicana it is unknown, but in field there are young individuals with cones. Did you recorded the age at which your exemplar produced cones? Did you tested the seeds for germination?

In which country is this exemplar?

EDUMM