
Ton Van Nieuwkerk
You may have a spot like that in your cottage garden and you are not able to water it daily.
Here is a list based on hardiness zone 4 of plant material for that hot spot in your Kawartha garden.
All plant names are in Latin/Greek.
Achillea 'Lachschonheit'
Achillea millefolium
Achillea 'Moonshine'
Achilea 'Taygetea'
Achillea ptarmica
Achillea 'Schwellenberg'
Achillea tomentosa
Eryngium alpinum
Euphorbia marginata
Sedum ewersii
Sedum 'Morchen'
Sedum telephium
Sempervivum tectorum
Yucca filamentosa
If you would like to plant some annuals in between the perennials mentioned above you can consider the following varieties.
Cosmos bipinnatus
Erigeron div. varieties
Gazania 'Flore Pleno'
Gazania 'Gwens’s Pink'
Gazania Sunshine Hybrids
Pelargonium all varieties and hybrids
Portulaca grandiflora
Verbena X hybrida garden varieties