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Plants for Bugs

RHS research project monitoring insects in native and non-native garden border plants.

Will they survive? - an update

Posted by Helen Bostock Plantsforbugs on 05 Mar 2010 at 11:25 AM

Some of you may remember we were on tenterhooks about which plants in the project would make it through the bitter winter. Thanks to everyone who volunteered information about their own plants.

 

The effects of cold damage are still becoming apparent but here's how things look as of this week;

 

Acaena microphylla - unscathed

 

Alstroemeria psittacina - too early to tell (no signs of life above ground yet) 

 

Brachyglottis monroi - unscathed

 

Callistemon rigidus - signs are not good; foliage and shoots are browning and we may have to replace

 

Diascia personata 'Hopleys' - some minor blackening but not too bad

 

Eryngium agavifolium - some of the outer leaves have blackened and rotted but the crowns look intact

 

Euryops pectinatus - dead on both sites

 

Fuchsia magellanica var. gracilis - we didn't include this on the original list as hardy fuchsias are normally fine. However, I'm sad to say this winter was just too brutal for such young plants and all the top growth is dead. We'll give it a few weeks to see if there is any regeneration from the base but we are probably going to have to replace them.

 

Hebe rakaiensis - unscathed

 

Osteospermum jucundum - confession time; we never actually planted these last summer as they were too small and needed increasing so thankfully they have survived in good condition in our Propagation Tunnel and will be planted after the last frosts.

 

Oxalis adenophylla - too early to tell but we did find some firm corms when digging around so fingers crossed!

 

Ozothamnus rosmarinifolius - unscathed

 

Leptinella squalida 'Platt's Black' - unscathed

 

Lobelia tupa - too early to tell (no signs of life above ground yet)

 

Mirabilis jalapa - unscathed

 

Nerine bowdenii - also a bit early to say though we found some solid bulbs when digging

 

Pittosporum tenuifolium - these fooled us by looking unscathed after the snow thawed, only to drop a lot of leaves several weeks later. However, we have hopes they will pull through.

 

Rhodanthemum hosmariense - again, this wasn't listed as an original concern as it would usually get through a winter but most of the plants at the Howard's Field site which had made soft, lush growth last summer succumbed in the cold. Thankfully the ones at Deer's Farm were untouched.

 

Uncinia rubra - some scorched foliage but should come through

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