Maryland Palm Trees
Even though Maryland has cool winters, there are areas where you can grow palm trees. Maryland has a humid subtropical climate influenced by Atlantic ocean. Summer is hot and humid with average July temperature of 77°F (25°C). Winter is cool with average January temperature of 33°F (1°C). Annual snowfall ranges from 9-100 inches (23-250 cm) depending on the part of the state.
The warmest temperature ever recorded was 109 °F (43 °C) and the lowest was −40 °F (−40 °C). Annually the state gets about 30–40 thunderstorms and 6 tornadoes. Maryland USDA hardiness zones range from 5a to 8a.
Maryland USDA Zones
Growing Palm Trees in Maryland
You can grow palm trees in the warm part of Maryland in the zone 7 and 8. Choose very cold hardy palms that are durable and can adjust to different soil conditions. Provide them with cold protection during winter months. Here are some of palms that will grow in Maryland:
- Needle Palm Tree – Zones 5b-11 (-15 to -10F)
- European Fan Palm Tree – Zones 7b-11 (5 to 10 F)
- Pindo Palm Tree – Zones 7b-11 (5 to 10 F)
- Sago Palm Tree – Zones 7b-11 (5 to 10 F)
- Saw Palmetto Palm Tree – Zones 7a-11 (0 to 5 F)
- Windmill Palm Tree – Zones 7b-11 (5 to 10 F)
More Palm Trees»
Major Cities in Maryland
Baltimore – Hardiness Zone 7a
Columbia – Hardiness Zone 6b
Salisbury – Hardiness Zone 7a
Silver Spring – Hardiness Zone 6b
A lot of palm trees die from fertilizer root burn and nutritional deficiencies. To avoid these problems, use fertilizer that has continues release formula, which feeds your palm tree for few months, rather than using a cheap fertilizer that will wash away after 2-3 rains.
I personally use 
It is time to protect your palm trees from cold! To avoid the cold damage, I spray my palms with 
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