Long Blooming Plants: Thalictrum rochebrunianum and Other Fabulous Flower Fireworks

Thalictrum rochebruneanum, photo by Jennifer Pedersen

Thalictrum rochebrunianum is a Star for the Fourth of July.

You can expect Lavender Flowered Fireworks, every year....

Thalictrum rochebruneanum, Veronicastrum and Astilbe in August

  • Sometimes called ‘Meadow Rue’, or ‘Lavender Mist’, this plant is elegantly vertical. When in bloom, each individual is like a 6’ magic wand, with delicate foliage and perfect lavender sparkles, which fluff out at the top in a crescendo. Given its height, throughout July,  T. rochebrunianum floats over most other perennials.
    Often person height or taller, experientially this plant is a being in the garden you can have a face to face relationship with.
    Some particular plants in sun will begin to flower in mid June, then those in shadier places later, lasting through July and into August. Each plant typically blooms for 4 weeks or more, but if you have some here and there in different exposures, T. rochebrunianum’s contribution to the garden pictures can last twice as long.
  • This sturdy but slender Thalictrum likes a bright woodland setting, but can reside in any watered, well drained place except for the very hottest ones. They usefully self sow and thrive even in shady places getting just some shafts of light each day.
    The back, the middle or whimsically near the front of the bed can all be suitable places for this plant because it looks so good for so long.
    It is perhaps best sited with some other later flowering plants alongside and in front of it, as these can provide a little support to the wands plus keep the picture show going for the rest of the season in that place.
  • Parent plants will self sow, their seeds finding places where the ecology is right for them. Just don’t cultivate the earth where your seeds may have fallen and you would like this Thalictrum to reappear. You could choose instead to gather seed into an envelope and sow it in fall after the final cleanup.
    You can easily move young individuals from wherever they germinate, or leave them where they land, as the spirit takes you.
    Please follow this link for my article containing information on Techniques for Keeping Self Sowing Plants.
  • When the plants don’t contribute to the picture any more, having let them seed around a bit, you just trim them to the ground.
  • Some Woodchucks think this plant is delicious, unfortunately.

    Verbena bonariensis

    Another tall, slender, lavender flowered being for a sunnier part of the bed is the 5’  tall Verbena bonariensis.

    Verbena bonariensis at the door
    Joining the garden picture in July or so, this Verbena says hello to passers by at a friendly height. I have her a few feet away from a door, and from there she extends delicate purple flowered arms to meet each person entering. This Verbena is long blooming, and will take you through much of the rest of the season. It is a self sower in sunny and well drained places.

    Thalictrum  kiusianum

    There is a miniature Thalictrum who is as exceptionally small as T. rochebrunianum is tall. Thalictrum kiusianum is 4 inches high in contrast to the height of 4 to 6  feet attained by their cousins. This beautiful little plant readily makes colonies  in partial shade, is somewhat long blooming and has been  hardy, self sowing and reliable here in Zone 5B for 7 years.
    Thalictrum kiusianum in a Hypertufa trough, Clematis Diana alongside
  • Right now, in shady places in the rock garden beds, their colonies are displaying tiny elegant stems and frothy lavender tops, making miniature fairy fireworks, also for the Fourth of July.
  • My stone and hypertufa troughs also provide perfect settings for these small but resilient colonies.
    Their size makes them ideal companions for miniature hostas and other small scale trough plants.

For More Fabulous Flowering Fireworks

Please use my ‘Search’ to find articles I have written about other Long Blooming Plants who will be around
Fourth of July.

The photos below are of some of the varieties that appear within those writings such as
Star Quality Clematis , Lonicera....

Clematis Betty Corning, July 4th 2010

Clematis Princess Diana, on the Fourth of July

Lonicera sempevirens and Ampelopsis elegantissimaEllen Cool

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  • All written and visual materials on this site are Copyrighted. (C) Ellen Cool 2010 - 2021


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