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What Type of Soil Is in Miami, FL (33101)?

Soil Profile

Sandy soil
Soil Type Sandy
Soil Series Krome
pH Range 7.4 - 8.4 (Moderately Alkaline)
Drainage Well Drained
Organic Matter 0.0% (Very Low)
Water Holding Capacity 0.08 in/in (Low)
USDA Zone Zone 10b (min 35°F)
Hydrologic Group A

What This Means for Your Garden

The dominant soil in Miami, FL is Sandy soil. Sandy soils drain quickly and warm up fast in the spring, giving you an early start to the growing season. The tradeoff is that water and nutrients wash through easily, so you may need to water and fertilize more often. Adding compost builds up organic matter and helps the soil hold moisture.

The pH in your area ranges from 7.4 - 8.4, which is classified as Moderately Alkaline. Alkaline soil suits lavender, asparagus, and many herbs. To lower pH for acid-loving plants, you can work in elemental sulfur or acidic compost over time.

Your USDA hardiness zone is 10b, meaning winter lows can reach around 35 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 Sandy soil and USDA zone 10b.

Vegetables

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
Radish Sun: Full sun to partial shade (4-6 hours) Water: Regular, 1 inch/week; keep evenly moist Spacing: 1-2 inches
See all Vegetables for Sandy soil →

Fruits

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
Lemon Sun: Full sun (8+ hours) Water: Regular, deep watering weekly; reduce in winter Spacing: 12-15 feet
Orange Sun: Full sun (8+ hours) Water: Regular, deep watering weekly Spacing: 15-20 feet
See all Fruits for Sandy soil →

Flowers

Salvia Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant Spacing: 12-24 inches
Cosmos Sun: Full sun (6-8 hours) Water: Low to moderate; too much water reduces blooms Spacing: 12-18 inches
See all Flowers for Sandy soil →

Herbs

Rosemary Sun: Full sun (6-8 hours) Water: Low; drought tolerant once established Spacing: 24-36 inches
Oregano Sun: Full sun (6-8 hours) Water: Low to moderate; allow soil to dry between waterings Spacing: 12-15 inches
See all Herbs for Sandy soil →

Trees

Pine Sun: Full sun (6-8 hours) Water: Low to moderate; drought tolerant Spacing: 15-30 feet
See all Trees for Sandy soil →

How to Improve Your Soil

Here are the top amendments recommended for Sandy soil:

  • Compost — Dramatically improves water and nutrient retention
  • Peat Moss — Increases water-holding capacity significantly
  • Vermiculite — Absorbs and slowly releases water and nutrients
  • Aged Manure — Adds organic matter and slow-release nutrients
Full amendment guide for Sandy soil →

Nearby Areas

Frequently Asked Questions

What type of soil is in Miami, FL (33101)?

33101 has Sandy soil based on USDA soil survey data. It is well drained with a pH range of 7.4 - 8.4.

What USDA hardiness zone is 33101?

Miami, FL (33101) is in USDA hardiness zone 10b, with minimum winter temperatures around 35 degrees Fahrenheit.

What grows well in Sandy soil?

Sandy 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 10b.

How do I improve Sandy 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 Sandy 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.