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Plants for Hot Summers

9/4/2021

 
Picture
In July, we camped in Southern Alberta for a couple of nights. This was in the middle of a heat wave, yet the native Gaillardia, Yellow Coneflowers, Beebalm, Phacelia, Goldenrod, wild Sunflower and Meadow Blazing Star seem unfazed by the extreme heat and drought. Good to know!
In my home garden, the following native pollinator plants also grew well, but I have to admit I watered the beds once or twice during the hottest period. Here is their status in mid-July:
  • Wild Blue Flax – finished blooming
  • Bergamot / Beebalm – blooms fading
  • Gaillardia / Blanketflower – mid- to late summer
  • Yellow Coneflower – thrives on dry, poor soil
  • Asters – purple flowers typically in late summer to fall
  • Giant Hyssop – early summer to fall flowering
  • Stiff Goldenrod – late summer to fall bloomer
  • Early Blue Violet – flowers in April / May
  • Pussytoes – finished flowering and has fluffy seed heads now
  • Fireweed - not recommend due to it’s spreading / aggressive nature
  • Yarrow – a fairly aggressive plant that is a bit difficult to remove
  • Bearberry – very low native groundcover with small, glossy leaves

Other drought tolerant plants:
  • Campion – old-fashioned red flower; finished earlier than usual in the heat
  • Common Oregano – perennial that self-seeds and seeks out the driest spots
  • Garden Hyssop – wonderful, purple pollinator plant for mid-summer to fall
  • Daylily – reduced flowering in extreme heat
  • Lady’s Mantle – survives dry shade
  • Ostrich Fern – seems to be fine in fairly dry shade
  • Bergenia – works in wet and dry spots
  • Shasta Daisy – if you like white, this is a very tough plant
  • Larkspur – cousin to Delphinium
It’s good to know which plants can stand the heat!

Great Fall Plants for Pollinators

8/31/2017

 
End of August is a time when our yards show signs of winding down  - many flowers have gone to seed and some leaves are turning yellow. In an edible landscape, it’s also a glorious time for harvest. The bees and other insects have done a wonderful job pollinating flowers, and we are now reaping the benefits. Let’s not forget that they must continue to forage for pollen and nectar. Having flowering plants until frost is beautiful and provides food for insects such as bumble bees that need enough fuel to overwinter.

So what are the plants still in bloom at this time of year? I had the opportunity to visit a rural property near Spruce Grove, as part of an orchard tour day. The gracious host spoiled us with delicious strawberries and sour cherries and provided lots of great information about her numerous fruit trees and berry bushes. I noticed how many plants were still blooming and were just covered in bumble bees and honey bees.

There was a large clump of several varieties of Sedums, and large group of purple Liatris that looked stunning and full of buzzing bees. Another lovely combination was a large clump of Russian Sage behind a dark purple barberry.
Sedums
Liatris
Russian Sage with Barberry
Even some self-seeded California poppies in front of a pink flowering potentilla looked great and had some winged visitors. Lots of good topsoil and ample water is the secret to success in this yard, but even in drier locations we can have late flowering Blanketflowers (Gaillardia) and stunning Coneflowers (Rudbeckia). 
Pink Potentilla and California Poppy
Rudbeckia and Gaillardia
Borage with Bumble Bee
In my own yard, I still have some Borage in bloom that came up a bit later. Because it self-seeds, you may find it a bit crazy, popping up in the middle of your veggie beds – don't be shy about yanking it out and composting it, ideally before it has set seed. Another later bloomer is Garden Hyssop (Hyssopus officinalis); it is a larger clump and slightly later blooming than the native Anise Hyssop (Agastache foeniculum), especially in part shade. Annuals such as Sunflowers, Calendula, Cosmos and climbing Scarlet Runner Beans are also providing lovely colour and food for pollinators.

Pollinators – Build it and they WILL come!

7/25/2016

 
Picture
I’ve been fascinated with wild bees for a few years, and I have played around with creating pollinator homes and encouraging others to do the same.
 
This spring, I had a wonderful experience showing my garden club kids at Windsor Park School how to tie together dry sunflower stalks to make bundles and hang them in protected areas for the pollinators. While inspecting some older stick bundles back at home, I found one with two cells, presumably with wild bee larvae. I took this stick to the school and showed the children. A week later, I realized I had forgotten to put that stick with the larvae back in my yard, and it was still in my garden club box when I gathered the children for another session. To our surprise and delight, the bees had just hatched and two tiny, black bees were sitting on the stick and then flew away into the school garden.
 
If you want to make your own stick bundles for pollinators, you will need to save stalks in the fall from sunflowers or perennials that have thick stems. The sticks should be at least 6 inches long, tied together and hung under an overhang, ideally facing east. Wild bees will create cells to lay eggs, provision them with food and then seal them off for protection.
 
The same idea applies to deep holes drilled in wood. You can drill holes in stumps or untreated wood beams. The holes can range in size from 1/8" to 5/16" in diameter, and as deep as the drill bit will allow, but 6 inches would be ideal.
 
Another option is to roll paper around a thin stick and close off one end. Remove the stick, and place bundles of these paper tubes inside a water proof container, then secure it in an east-facing location that is protected from rain.
 
For information on more elaborate pollinator homes, you can visit the Edmonton and Area Land Trust website and download instructions and plans.
 
I have several pollinator homes in my yard, and I also have many kinds of native and non-native flowering plants that provide a source of nectar and pollen for the bees. The combination of flowers, a source of water and wooden homes or stick bundles create the right conditions for pollinators to stick around. The benefit is more beneficial insects and better plant pollination.

    Author

    Claudia is exploring and sharing permaculture ideas in Edmonton.

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