Planting trees and shrubs is one of the most valuable investments you can make in your landscape. But timing matters. On Long Island, where weather shifts dramatically between hot summers and cold winters, choosing the right season can determine whether your plants thrive or struggle. This guide explains the best planting times, why they matter, and how to ensure long-term success.

1. Why Planting Season Matters

Trees and shrubs are long-term additions to your landscape. Planting at the right time allows proper root development, reduces transplant shock, improves moisture absorption, and increases survival rates. Planting during the wrong season exposes plants to heat stress, drought, cold damage, and root failure.

2. The Best Time: Early Fall

Early fall is the single best time to plant trees and shrubs on Long Island. Soil is warm, air is cool, and rainfall is more consistent. Plants enter a dormant phase, focusing energy on root development instead of leaf growth.

**Best Fall Window:** Mid-September through early November
**Advantages:**
- Warm soil encourages rapid root establishment
- Less heat stress
- Reduced watering needs
- Higher survival rates
- Fewer pests and diseases

**Great Fall Plant Choices:** Maples, Oaks, Dogwoods, Arborvitae, Spruce, Hydrangeas, Holly, Viburnum, and many more.

3. Spring: The Second-Best Time

Spring is a good time for planting, but plants face more active growth demands (leaves, flowers, and roots all at once). They also require more frequent watering.

**Best Spring Window:** Late April through early June

**Pros:**
- Mild temperatures
- Natural rainfall
- Full growing season ahead

**Cons:**
- Risk of late frost
- Higher water demand
- Temperature swings

**Good Spring Choices:** Azalea, Rhododendron, Roses, Magnolias, Boxwood, Pieris, Japanese Maples.

4. Summer Planting: Not Ideal

Summer planting increases plant stress due to heat, sun exposure, and high water demand. Plants lose moisture faster than they can absorb it.

**If You Must Plant in Summer:**
- Water deeply every 2–3 days
- Plant early morning or late evening
- Mulch heavily (2–3 inches)
- Protect from direct sun during heatwaves

**Plants That Handle Summer Better:** Arborvitae, Juniper, Crepe Myrtle, ornamental grasses.

5. Winter Planting: Only in Special Cases

Winter planting is risky because the ground can freeze, preventing root development. However, mild winters occasionally allow certain hardy plants to be installed if the ground remains workable.

**Risks:**
- Frozen roots
- Wind burn
- Poor soil contact
- Slow establishment

6. Watering Guidelines for Newly Planted Trees and Shrubs

Proper watering is critical regardless of season.

**Watering Schedule:**
- First 2 weeks: Every 1–2 days
- Weeks 3–6: Every 3–4 days
- After 2 months: Once per week

**Signs of underwatering:** Drooping leaves, dry soil, leaf curl.
**Signs of overwatering:** Yellow leaves, soggy soil, mold on soil surface.

7. Best Planting Practices for Long-Term Success

At Louis Contino Landscaping, we follow industry-leading methods:
- Digging wide root-zone openings
- Using compost and organic amendments
- Ensuring strong drainage
- Planting at correct depth
- Watering thoroughly upon installation
- Adding mulch for root insulation
- Installing stakes when needed
- Applying root stimulants
- Setting a professional watering plan

8. Trees and Shrubs That Thrive on Long Island

**Best for Fall:** Maples, Oaks, Birch, Dogwood, Hydrangea Paniculata, Arborvitae, Spruce.
**Best for Spring:** Azalea, Rhododendron, Roses, Boxwood, Japanese Maple, Magnolias.
**Best for Summer (only when necessary):** Juniper, Arborvitae, Crepe Myrtle.
**Best for Coastal Areas:** Bayberry, Inkberry, Rosa Rugosa, Little Bluestem, coastal Juniper.

9. Why Professional Installation Matters

Professional planting ensures correct depth, spacing, watering, soil preparation, and plant selection. Plants installed by experts have a significantly higher survival rate. At Louis Contino Landscaping, we guarantee expert installation, long-term success planning, and the right timing for each species.

Conclusion

Timing is one of the most important factors in successful tree and shrub planting. With the right planting season, proper watering, and expert installation, your landscape will thrive for decades. Fall remains the best time, followed by spring. Summer and winter installation should be done cautiously and only when necessary.

Call Louis Contino Landscaping to schedule the perfect planting time for your property.