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What Type of Soil Is in Boston, MA (02101)?

Soil Profile

Loam soil
Soil Type Loam
Soil Series Charlton
pH Range 5.5 - 6.5 (Slightly Acidic)
Drainage Well Drained
Organic Matter 0.0% (Very Low)
Water Holding Capacity 0.19 in/in (High)
USDA Zone Zone 6b (min -5°F)
Hydrologic Group B

What This Means for Your Garden

The dominant soil in Boston, MA is Loam soil. Loam is considered the gold standard for gardening. It holds moisture without getting soggy, provides good nutrient retention, and has a loose enough structure for roots to spread easily. Most vegetables, flowers, and fruit trees perform well in loamy conditions.

The pH in your area ranges from 5.5 - 6.5, which is classified as Slightly Acidic. This near-neutral range is ideal for most garden plants, including tomatoes, peppers, lettuce, and the majority of common vegetables and flowers.

Your USDA hardiness zone is 6b, meaning winter lows can reach around -5 degrees Fahrenheit. This determines which perennials, trees, and shrubs will survive winter in your area. Check the plant recommendations below for varieties suited to both your soil and climate.

Best Plants for Your Soil & Zone

These plants thrive in Loam soil and USDA zone 6b.

Vegetables

Tomato Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 24-36 inches
Pepper Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 18-24 inches
Carrot Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1 inch/week Spacing: 2-3 inches
Potato Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 12-15 inches
Lettuce Sun: Full sun to partial shade (4-6 hours) Water: Regular, 1 inch/week; keep consistently moist Spacing: 6-12 inches
Beans (Green/Snap) Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week Spacing: 4-6 inches (bush), 6-8 inches (pole)
Peas Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1 inch/week Spacing: 2-4 inches
Cucumber Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week; consistent moisture critical Spacing: 36-60 inches
Squash (Summer/Winter) Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 36-60 inches
Broccoli Sun: Full sun (6-8 hours) Water: Regular, 1-1.5 inches/week Spacing: 18-24 inches
Cabbage Sun: Full sun (6-8 hours) Water: Regular, 1-1.5 inches/week Spacing: 18-24 inches
Corn (Sweet) Sun: Full sun (8+ hours) Water: Regular, 1.5-2 inches/week; critical at tasseling Spacing: 12-15 inches in blocks
Onion Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week; reduce near harvest Spacing: 4-6 inches
Garlic Sun: Full sun (6-8 hours) Water: Moderate, 0.5-1 inch/week; stop watering 2 weeks before harvest Spacing: 6 inches
Radish Sun: Full sun to partial shade (4-6 hours) Water: Regular, 1 inch/week; keep evenly moist Spacing: 1-2 inches
Spinach Sun: Full sun to partial shade (4-6 hours) Water: Regular, 1-1.5 inches/week Spacing: 4-6 inches
Kale Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1-1.5 inches/week Spacing: 18-24 inches
Beet Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1 inch/week Spacing: 3-4 inches
Eggplant Sun: Full sun (8+ hours) Water: Regular, 1-2 inches/week Spacing: 24-30 inches
Celery Sun: Full sun to partial shade (4-6 hours) Water: Heavy, 2+ inches/week; never let soil dry out Spacing: 8-10 inches
Asparagus Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 18 inches
Cauliflower Sun: Full sun (6+ hours) Water: Regular, 1-2 inches/week; consistent moisture critical Spacing: 18-24 inches
Zucchini Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 36-48 inches
Pumpkin Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week; reduce near harvest Spacing: 60-96 inches
See all Vegetables for Loam soil →

Fruits

Strawberry Sun: Full sun (6-8 hours) Water: Regular, 1-1.5 inches/week; drip irrigation preferred Spacing: 12-18 inches
Raspberry Sun: Full sun (6-8 hours) Water: Regular, 1-1.5 inches/week Spacing: 24-36 inches
Apple Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week; deep watering preferred Spacing: 15-25 feet (standard), 6-10 feet (dwarf)
Pear Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week Spacing: 15-20 feet (standard), 8-12 feet (dwarf)
Peach Sun: Full sun (6-8 hours) Water: Regular, 1-1.5 inches/week Spacing: 15-20 feet (standard), 8-10 feet (dwarf)
Grape Sun: Full sun (7-8 hours) Water: Moderate, 0.5-1 inch/week; drought tolerant once established Spacing: 6-8 feet
Watermelon Sun: Full sun (8+ hours) Water: Regular, 1-2 inches/week; reduce at ripening Spacing: 60-96 inches
Cantaloupe Sun: Full sun (8+ hours) Water: Regular, 1-2 inches/week; reduce at ripening Spacing: 36-48 inches
Plum Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week Spacing: 15-20 feet (standard), 8-12 feet (dwarf)
Blackberry Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week during fruiting Spacing: 3-5 feet
See all Fruits for Loam soil →

Flowers

Rose Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week; deep watering preferred Spacing: 24-48 inches
Sunflower Sun: Full sun (6-8 hours) Water: Moderate, 1 inch/week; drought tolerant once established Spacing: 12-24 inches
Marigold Sun: Full sun (6-8 hours) Water: Moderate, 1 inch/week Spacing: 8-18 inches
Zinnia Sun: Full sun (6-8 hours) Water: Moderate, 1 inch/week; avoid overhead watering Spacing: 6-18 inches
Tulip Sun: Full sun (6-8 hours) Water: Low to moderate; well-drained essential Spacing: 4-6 inches
Daffodil Sun: Full sun to partial shade (4-8 hours) Water: Moderate during growth; dry during dormancy Spacing: 4-6 inches
Lily Sun: Full sun to partial shade (6-8 hours) Water: Regular, 1 inch/week; well-drained essential Spacing: 8-12 inches
Hydrangea Sun: Partial shade to full sun (4-6 hours) Water: Regular, 1-2 inches/week; moisture loving Spacing: 36-60 inches
Coneflower (Echinacea) Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant once established Spacing: 18-24 inches
Black-Eyed Susan Sun: Full sun (6-8 hours) Water: Low to moderate; very drought tolerant Spacing: 18-24 inches
Salvia Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant Spacing: 12-24 inches
Yarrow Sun: Full sun (6-8 hours) Water: Low; very drought tolerant once established Spacing: 18-24 inches
Peony Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week Spacing: 36-48 inches
Iris Sun: Full sun (6-8 hours) Water: Low to moderate; good drainage essential Spacing: 12-24 inches
Cosmos Sun: Full sun (6-8 hours) Water: Low to moderate; too much water reduces blooms Spacing: 12-18 inches
Chrysanthemum Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week; avoid wet foliage Spacing: 18-24 inches
See all Flowers for Loam soil →

Herbs

Mint Sun: Partial shade to full sun (3-6 hours) Water: Regular, 1-2 inches/week; moisture loving Spacing: 18-24 inches (container recommended)
Oregano Sun: Full sun (6-8 hours) Water: Low to moderate; allow soil to dry between waterings Spacing: 12-15 inches
Cilantro (Coriander) Sun: Full sun to partial shade (4-6 hours) Water: Regular, 1 inch/week Spacing: 6-8 inches
Sage Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant once established Spacing: 18-24 inches
Dill Sun: Full sun (6-8 hours) Water: Moderate, 1 inch/week Spacing: 12-15 inches
Chives Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1 inch/week Spacing: 8-12 inches
Tarragon (French) Sun: Full sun (6-8 hours) Water: Low to moderate; well-drained essential Spacing: 18-24 inches
Fennel Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week Spacing: 12-18 inches
Chamomile Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant Spacing: 8-12 inches
See all Herbs for Loam soil →

Trees

Oak Sun: Full sun (6-8 hours) Water: Moderate; drought tolerant once established Spacing: 30-50 feet
Maple Sun: Full sun to partial shade (4-8 hours) Water: Regular; consistent moisture preferred Spacing: 25-45 feet
Pine Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant Spacing: 15-30 feet
Cedar Sun: Full sun to partial shade (4-8 hours) Water: Moderate; tolerates drought once established Spacing: 15-30 feet
Dogwood Sun: Partial shade to full sun (4-6 hours) Water: Regular; consistent moisture preferred Spacing: 15-25 feet
Magnolia Sun: Full sun to partial shade (4-8 hours) Water: Regular; consistent moisture preferred Spacing: 20-40 feet
Birch Sun: Full sun to partial shade (4-8 hours) Water: Regular; moisture loving Spacing: 20-30 feet
Willow Sun: Full sun (6-8 hours) Water: Heavy; thrives near water sources Spacing: 30-50 feet
Elm Sun: Full sun (6-8 hours) Water: Moderate; tolerates some drought Spacing: 40-60 feet
Cherry (Ornamental) Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 20-30 feet
Apple Tree Sun: Full sun (6-8 hours) Water: Regular, 1-2 inches/week Spacing: 15-25 feet (standard), 6-10 feet (dwarf)
Pear Tree Sun: Full sun (6-8 hours) Water: Regular, 1 inch/week Spacing: 15-20 feet (standard), 8-12 feet (dwarf)
Pecan Sun: Full sun (8+ hours) Water: Regular; deep watering preferred Spacing: 40-60 feet
Walnut Sun: Full sun (6-8 hours) Water: Regular; deep roots access groundwater Spacing: 40-60 feet
Cypress (Bald) Sun: Full sun (6-8 hours) Water: Heavy; tolerates standing water and flooding Spacing: 30-50 feet
See all Trees for Loam soil →

Shrubs

Boxwood Sun: Partial shade to full sun (4-8 hours) Water: Regular, 1 inch/week; consistent moisture Spacing: 24-48 inches
Azalea Sun: Partial shade (4-6 hours) Water: Regular, 1 inch/week; keep consistently moist Spacing: 36-60 inches
Rhododendron Sun: Partial shade (4-6 hours) Water: Regular, 1-2 inches/week; moisture loving Spacing: 48-72 inches
Holly Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1 inch/week Spacing: 36-72 inches
Lilac Sun: Full sun (6-8 hours) Water: Moderate; drought tolerant once established Spacing: 60-96 inches
Hydrangea Sun: Partial shade to full sun (4-6 hours) Water: Regular, 1-2 inches/week; moisture loving Spacing: 36-72 inches
Forsythia Sun: Full sun (6-8 hours) Water: Moderate; tolerates some drought Spacing: 48-72 inches
Juniper Sun: Full sun (6-8 hours) Water: Low; very drought tolerant once established Spacing: 24-96 inches (varies by species)
Privet Sun: Full sun to partial shade (4-8 hours) Water: Moderate; tolerates drought once established Spacing: 24-48 inches (hedge), 60-96 inches (specimen)
Viburnum Sun: Full sun to partial shade (4-8 hours) Water: Regular, 1 inch/week Spacing: 48-96 inches
Barberry Sun: Full sun to partial shade (4-8 hours) Water: Low to moderate; drought tolerant Spacing: 36-60 inches
Spirea Sun: Full sun (6-8 hours) Water: Moderate; tolerates some drought Spacing: 36-60 inches
See all Shrubs for Loam soil →

How to Improve Your Soil

Here are the top amendments recommended for Loam soil:

  • Compost — Maintains organic matter levels and soil structure
  • Mulch — Protects soil structure and adds organic matter
  • Balanced Fertilizer — Replenishes nutrients removed by crops
  • Cover Crops — Prevents erosion and adds organic matter
Full amendment guide for Loam soil →

Nearby Areas

Frequently Asked Questions

What type of soil is in Boston, MA (02101)?

02101 has Loam soil based on USDA soil survey data. It is well drained with a pH range of 5.5 - 6.5.

What USDA hardiness zone is 02101?

Boston, MA (02101) is in USDA hardiness zone 6b, with minimum winter temperatures around -5 degrees Fahrenheit.

What grows well in Loam soil?

Loam soil works well for many common garden plants. Check the plant recommendations section above for vegetables, flowers, herbs, and trees that thrive in this soil type and zone 6b.

How do I improve Loam soil for gardening?

The best approach is to add organic matter such as compost, aged manure, or leaf mold. See our full amendment guide for Loam soil for step-by-step instructions.

Where does this soil data come from?

All soil data on MySoilType comes from the USDA Natural Resources Conservation Service (NRCS) Web Soil Survey, the most comprehensive source of soil information in the United States.