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Dear members,

I need your expertise in something that I find as a problem.

I have attached 2 pictures of the Black pine (roughly 2 months old).
I see purplish/brown tips on these, and want to know if its normal.
Also there are purple hues at the base of the needles. Is this an issue? no clue what this is.

History:
1) These were grown from seed, and were kept indoors throughout due to 45c degrees temperature outside. I have just moved them outside recently when temperatures are in the range of 25c degrees to 30c degrees.
2) Soil is composed of 20% peat moss and 80% perlite. Only been 7 days since repotting. Earlier soil mix was 50% Peat moss, 25% perlite, 25% gravel.
3) Fertilizer I use is Dyna-Gro - Grow. At 1/4 tsp in 4litre can every time I water.
4) I water it every other day, when the soil is Dry by atleast 2 inches (This I check through Digital Soil Meter)
5) I noticed purplish/brown tips before repotting and before putting it outdoors. However, the purplish base is spotted only after repotting and putting the plants outside.

Please advice solution if any,

Thanks a lot in advance.

Looks healthy to me.

leatherback wrote:

Looks healthy to me.

So Brown tipping of needles and base of the needles turning purple is fine?
Thats a super relief.

Any idea why it happens though?

Browning of some tips can be cause by dry conditions. Few days to dry for example.
The purple can happen when change in temp, or root injury/dehydration for example after the repotting.
After repotting you put the tree out of the wind / sun for the first two weeks, then to a spot with more sun. That way the roots can adjust and recover.