Proteas - longevity under stressed conditions


I have a couple of Protea cynaroides that are growing on a sandy, windy slope. They are about 4 years old and their growth has been disappointing, to say the least. They were purchased with a friend of mine who purchased similar sized plants on the occasion (at the same nursery). The difference in plant size is huge due to the different environments (she has no wind, borehole water and fertile soil) and she is already taking magnificent flowers off hers. 
 
What determines the limited lifespan of the Protea? Is it time or size i.e will these plants die off before reaching their full size but having reached their alloted three score and 10 ? Or will they live longer than expected because they will take so long to reach maturity? 
 
Charl
----- Original Message -----
From: m*@ucdavis.edu
To: m*@ucdavis.edu
Sent: Monday, November 15, 2004 10:17 AM
Subject: MEDIT-PLANTS digest 2845


    MEDIT-PLANTS Digest 2845

Topics covered in this issue include:

  1) Re: Two Unique Trees - Chorisia, Brachychiton
by Tony and Moira Ryan <t*@xtra.co.nz>
  2) Re: Two Unique Trees - Chorisia, Brachychiton
by bridget lamp <b*@yahoo.com>
  3) Re: Two Unique Trees - Chorisia, Brachychiton
by Charles Dills <c*@charter.net>
  4) Re: Two Unique Trees - Chorisia, Brachychiton
by Nan Sterman <T*@PlantSoup.Com>
  5) Re: Two Unique Trees - Chorisia, Brachychiton
by Charles Dills <c*@charter.net>
  6) Re: Two Unique Trees - Chorisia, Brachychiton
by Nan Sterman <T*@PlantSoup.Com>
  7) rejected Medit messages
by Diane Whitehead <v*@islandnet.com>
  8) Re: Two Unique Trees - Chorisia, Brachychiton
by david feix <d*@yahoo.com>
  9) Cytisus battandieri
by "Annie Hayes" <a*@sonic.net>
 10) Cytisus battandieri
by "Annie Hayes" <a*@sonic.net>
 11) Re: Cytisus battandieri
by "Annie Hayes" <a*@sonic.net>


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