Snow covered cacti growing in window boxes
As mentioned in an earlier post I'm experimenting with growing peyote (and other cacti) outdoors on my balcony. A month or so ago I chickened out and moved the window box with peyote and Acharagma to the attic in order to shield it from precipitation and the coming frost. Today I'm glad I did as the balcony (and the flower boxes with it) has been completely covered in snow for the last couple of days - and I'm not sure if that would become the peyote plants well.
Echinocereus triglochidiatus covered by snow (with E. reichenbachii in the background)
I'm pretty sure that the hardy Echinocereus triglochidiatus will make it through the outdoor winter experience, and I'll also put money on the Escobaria vivipara (Alberta, Canada) and Escobaria missouriensis (SB204; Mesa County, Colorado) plants as they have already survived a winter outdoors, but I have my doubts about the Echinocereus reichenbachii plants as this is the first time I grow them under such extreme conditions.
Snow covered Mammillaria grahamii
Other doubts are regarding the Mammillaria grahamii (SB 1860; Steins, New Mexico, USA) and Mammillaria senilis (ROG 214; Tecorichi, Chihuahua, Mexico) plants as I'm very unsure if they are able to survive conditions like this. We'll know come spring.
Snow covered Mammillaria senilis
Thursday, January 30, 2014
Sunday, January 27, 2013
Escobaria vivipara with a light snow cover
I’m fascinated by the ability of certain cacti species to survive even quite extreme freezing conditions. A fascination that is probably rooted in my childhood belief that all cacti were heat craving desert dwellers that would succumb to subfreezing temperatures - great was my surprise the first time I saw pictures of a cactus covered in snow.
Echinocereus triglochidiatus var. mojavensis sprinkled with snow
I live in a condominium and the only possibility for pursuing my interest in growing frost tolerant cacti outdoors - apart from the bed of winter-hardy cacti at my summerhouse - is to grow cacti in flower boxes on the balcony.
For several years I have successfully grown Echinocereus triglochidiatus (claret cup hedgehog cactus) outdoors (year-round) at my summerhouse in the northwestern part of Denmark - inspired by this I acquired a few E. triglochidiatus var. mojavensis (DJF1273; North of Inyo County, California) plants for my flower boxes a couple of years ago and they are also doing great.
Escobaria missouriensis in the snow
The well-being of the Escobaria species are of greater concern to me. The Botanical Garden of Copenhagen attempted growing Escobaria in their outdoor cactus bed but they all perished. My plants still seem to be weathering it out here in Copenhagen but I’m concerned that the continuous frost-thaw cycles will expose the plants to killing moisture.
Denmark has been frost-bound for several weeks now with the plants seeing temperatures as low as -10 C (14 F) (this is nothing for Escobaria vivipara which is known to have survived extreme temperatures as low as -35 degrees C) but the frost now loosens its grip again and it has started to rain, soaking the flower boxes that are still frozen solid. I hope that the light shelter provided by the balcony on the floor above will keep the plants from getting too wet - if not, I reckon the rot will soon show in the coming period of relatively warm and humid weather.
The beehive cactus species I’m growing in flower boxes on the balcony are Escobaria vivipara (Alberta, Canada) and Escobaria missouriensis (Mesa County, Colorado; SB204)
Flower box with Escobaria and Echinocereus cacti in the snow
This coming season I plan to grow peyote cactus in outdoor window boxes as well - but I don’t expect peyote to cope well with the Danish winter so the plants will need to be wintered in the attic.
Below are a few pictures of the balcony grown Escobaria plants during summer - what a happy flowering bunch :-)
Flowering Escobaria vivipara (Alberta, Canada)
Flowering Escobaria missouriensis (Mesa County, Colorado; SB204)
In relation to the two above images, the previous post featured a high-speed video showing the flower fly hovering above the Escobaria vivipara cactus.
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