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How to Grow Synthyris Plants

Guide to Growing Snow queen, Spring Queen, and Mountain Kittentails

Members of the Synthyris genus are low growing hardy perennials that reach from 6 to 30 cm in height; this makes them great for growing in rock gardens.

They often bloom twice a year, always in early spring, and sometimes in autumn.

When they bloom Synthyris carry spikes of small white, purple, blue, or pink flowers.

Synthyris borealis
Synthyris borealis - Kitten Tails by DenaliNPS.

Synthyris pinnatifida
Synthyris pinnatifida by Cutleaf Kitten tails by Fool-on-the-hill.

Quick Synthyris Growing and Care Guide

  • Common Names: Snow queen, Spring Queen, Mountain kittentails.
  • Life Cycle: Hardy perennial.
  • Height: 3 to 10 inches (7ā€”25 cm).
  • Native: Northern America.
  • Growing Region: Zones 2 to 9.
  • Flowers: Early spring, will produce a second bloom in the autumn of the conditions are right.
  • Flower Details: Blue, lavender, pink, purple, white. Small racemes. Bell-shaped corollas.
  • Foliage: Herbaceous. Rosette. Cordate, kidney-shaped or lobed. Often with a pink edge. Long petioles.
  • Grow Outside: Plants should be propagated by dividing. Space at 4 to 6 inches (10ā€”15 cm).
  • Requirements and care: Full sunlight (with afternoon shade) or partial shade. Moist to wet soil. Acidic soil pH. Rich, Gritty, organic soil. Regular watering to maintain soil moisture. Propagate: by dividing in the spring once flowers have finished blooming.

How to Grow Synthyris

It is best to grow Synthyris from purchased plants or from divided plants that some one has been kind enough to give you. These plants should be spaced at about 10 to 15 cm apart in the rock garden.

The soil that Synthyris grow in should be organic, rich, and acidic; ideally it should also be gritty.

Synthyris plants such as Snow Queen and Kittentails love a moist soil and do not like sunny conditions, so grow in a shaded or at least partially shaded area of the garden.

Caring for Synthyris

Synthyris likes to grow in a moist to wet soil so ensure that they are kept well watered at all times. If you require more plants then propagate Synthyris by division in the spring.



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