When to Plant Watercress in Morgan County, IN
Watercress is a semi-aquatic plant with a peppery, tangy flavor rich in vitamins and minerals. It grows naturally along streams and can be cultivated in containers with standing water.
Morgan County, Indiana is in USDA Zone 6a. The average last spring frost is April 12 and the first fall frost is October 20, giving you a growing season of approximately 191 days.
At an elevation of 839 feet, Morgan County receives approximately 31.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Watercress during the growing season.
Morgan County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-6.8
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Watercress Planting Timeline — Morgan County, IN
Watercress Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 8 | Mar 8 – Mar 22 |
| Transplant Outdoors | April 12 | Apr 12 – Apr 26 |
| Direct Sow | March 29 | Mar 29 – Apr 19 |
| Fall Sowing | August 11 | Aug 11 – Aug 25 |
| Harvest | May 24 | May 24 – Jun 28 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
High — keep soil consistently moist
Days to Maturity
40–60 days
Soil pH
6.5 – 7.5
USDA Zone
Zone 6a
Growing Season
191 days
Growing Tips for Morgan County
Grow in containers with trays of water kept fresh. Provide partial shade and cool conditions. Harvest stems by cutting above water level. Replace water frequently to prevent stagnation.
Companion Planting
Good Companions
Level Up Your Garden
Watercress in Other Locations
Frequently Asked Questions
When should I plant Watercress in Morgan County, IN?
Morgan County is in Zone 6a with an average last frost of April 12. Plan your Watercress planting based on this frost date — see the calendar above for exact timing.
What planting zone is Morgan County, IN?
Morgan County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 12 and first fall frost is October 20.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Morgan County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.