Common Pests & Diseases
Diseases
Generally disease-free but may be susceptible to honey fungus
Pests
Generally pest-free
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steeple bush · Spiraea douglasii
Easy to grow in most moist soils, tolerant of all but the most extreme conditions. A rampant shrub that in time can form a dense thicket
Generally disease-free but may be susceptible to honey fungus
Generally pest-free
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