Grass and shade often make a poor match, leading to thinning patches and frustrated gardeners. Meanwhile, older crape myrtles—pruned yearly—may stop blooming on time and leave homeowners wondering which fertilizer can bring them back to life.
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IN THE GARDEN: Shade and grass don’t mix
Key Takeaways:
- Shade and grass do not easily coexist.
- Some older crape myrtles can fail to bloom on time, despite yearly pruning.
- Bloom delay until August suggests a possible care or environmental concern.
- Proper fertilizer choice and dosage might revive non-blooming trees.
- Pruning alone is not always enough for sustained garden health.
Shade vs. Grass – The Core Issue
Many home gardeners discover that grass growth in shaded spaces is an uphill battle. A thick carpet of grass needs frequent sunlight to remain healthy. When large trees or structures block sunlight, the lawn often becomes thin and patchy, leading to repeated frustration for those who hope for the perfect turf.
The Crape Myrtle Question
A reader writes: “DEAR JANET: I have crape myrtles that are about 30 years old. I have pruned them every year. The older and bigger ones are not blooming anymore, and if they do bloom it is very late, say in August. What do you think? What fertilizer and how much do I use?” This scenario highlights a common concern among longtime gardeners: beloved trees that once flourished may fall behind on their flowering schedule over time.
Pruning Practices and Bloom Timing
Regular pruning can help shape crape myrtles, but timing and frequency matter when it comes to encouraging earlier blooms. Trees sometimes respond to over-pruning by producing fewer or delayed flowers. While pruning remains an essential factor in healthy growth and appearance, it is not the only ingredient for success.
Fertilizer Considerations
Fertilizing crape myrtles hinges on striking the right balance between nourishment and restraint. Although the question “What fertilizer and how much do I use?” has no single answer for every situation, many experts encourage a balanced, slow-release fertilizer to support overall tree health. Adjusting care routines—like spreading out fertilizer applications or using specific nutrient formulas—may revitalize long-standing crape myrtles and help produce more consistent, timely blooms.
