Answer: Cytisus praecox 'Hollandia', or Hollandia Broom is hardy to
Zone 6 It's a deciduous shrub, growing 3-5' high and 4-6' wide. Compared to most brooms it has a compact growth habit, developing into a mounding mass of pink flowers in April-May.
Brooms have whip-like branches with few leaves and the branchlets are deep green. They produce pea-like flowers that are usually colored yellow, but there are pink varieties such as your C. hollandia. Brooms can live in a wide variety of soils, though they prefer dry, poor soil. They can tolerate a slightly acidic or alkaline soil, but not the extremes. They won't thrive in shallow soil over limestone. They can handle quite a bit of heat. Provide excellent drainage and shelter from wind. Pruning consists of simply pinching back the shoots each year to encourage bushiness.
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