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When to plant Bleeding Hearts in Marshall County, IN

Marshall County's short 175-day growing season means one Bleeding Hearts planting between May 3 and May 17. No fall crop in Zone 6a.

When to Plant Bleeding Hearts in Marshall County, IN

Marshall County, Indiana Zone 6a June

Your June gardening checklist

Your garden in Marshall County, Indiana is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost April 26
Avg. first frost October 18
Soil temp (4") 70°F
Watering Low
Pest pressure High
Daylight 15 hrs

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Bleeding Hearts (Lamprocapnos spectabilis) are elegant woodland perennials producing arching stems hung with distinctive heart-shaped pink or white flowers with protruding inner petals — the "drops" beneath each heart. A beloved heirloom perennial from Asia, bleeding hearts emerge vigorously in spring, bloom prolifically for 4–6 weeks, and then go dormant in summer heat — a natural die-back that is entirely normal. The dormancy gap should be planned for by interplanting with summer-emerging hostas, ferns, or impatiens. Fringed bleeding heart (Dicentra eximia), a US native, has a longer bloom season and does not go fully dormant. All parts are toxic if ingested.

Marshall County, Indiana is in USDA Zone 6a. The average last spring frost is April 26 and the first fall frost is October 18, giving you a growing season of approximately 175 days.

At an elevation of 1,140 feet, Marshall County receives approximately 34.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Bleeding Hearts to ensure they mature before fall.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Marshall County, IN (Zone 6a) Moderate season
175 days
Last Spring Frost April 26
175 growing days
First Fall Frost October 18

Marshall County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.3

Drainage

Well Drained

Bleeding Hearts Planting Risk Windows

Early Start (70% safe) ✓ Fits season (78 days to spare)
Start indoors: Feb 16 Transplant: Apr 27 🌸 Bloom: Jun 22 – Jul 27
Recommended (50%) ✓ Fits season (77 days to spare)
Start indoors: Feb 22 Transplant: May 3 🌸 Bloom: Jun 28 – Aug 2
Safe Start (90%) ✓ Fits season (74 days to spare)
Start indoors: Mar 10 Transplant: May 19 🌸 Bloom: Jul 14 – Aug 18

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.

Soil Compatibility in Marshall County

How your county's soil matches Bleeding Hearts's growing requirements.

Soil pH

Your soil pH (6.2–7.3) overlaps with Bleeding Hearts's range (6.0–7.0), though not a perfect match.

Soil Texture

The silt loam soil in Marshall County is excellent for Bleeding Hearts — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Bleeding Hearts.

Organic Matter

Organic matter is excellent (5.1%) — Bleeding Hearts will thrive.

How to Plant Bleeding Hearts

1.5"
Planting Depth
24"
Between Plants
30"
Between Rows

Succession Planting Bleeding Hearts

3
successive plantings in your 175-day season

Sow every 6.9 weeks. Last sowing by Jul 20 to harvest before frost.

Bleeding Hearts Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 735 gal / 100 sq ft

Monthly Watering Guide for Bleeding Hearts

Bleeding Hearts needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Bleeding Hearts Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.6" 0" ❄️ Dormant
Apr 4.3" 2.9" 1.4" 💧 Light watering
May 4.3" 4.1" 0.2" 💧 Light watering
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 3.7" 0.6" 💧 Light watering
Aug 4.3" 3.4" 0.9" 💧 Light watering
Sep 4.3" 3.4" 0.9" 💧 Light watering
Oct 4.3" 2.4" 1.9" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 1.9" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Marshall County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Bleeding Hearts Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Bleeding Hearts needs ~975 GDD — county provides 2,275 GDD Excellent fit

Bleeding Hearts Planting Timeline — Marshall County, IN

Bleeding Hearts Planting Calendar

Activity When Date Range
Start Indoors February 22 Feb 22 – Mar 8
Transplant Outdoors May 3 May 3 – May 17
Bloom June 28 Jun 28 – Aug 2

Plant 1.5" deep · 24" apart · Rows 30" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April
May Transplant Outdoors
June Bloom
July Bloom
August Bloom
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

175 days in Marshall County

Growing Tips for Bleeding Hearts in Marshall County

Direct sow Bleeding Hearts outdoors after April 26 in Marshall County when soil has warmed and frost danger has passed.

General growing tips

Plant bare-root crowns in early spring as soon as soil is workable, or in fall at least 6 weeks before hard freeze. Set eyes 1–2 inches below soil level. Morning sun with afternoon shade is ideal; deep shade is tolerated but reduces bloom. Keep moist but well-drained — will not tolerate waterlogged soil. After flowering, the foliage will yellow and die back in summer heat — this is normal. Do not cut back until foliage turns fully yellow; the plant is storing energy. Mark the location to avoid disturbing crowns during summer dormancy. Divide every 4–5 years in early spring. Year 2+ plants produce the fullest flowering display.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Bleeding Hearts in Marshall County, IN?

Marshall County is in Zone 6a with an average last frost of April 26. Plan your Bleeding Hearts planting based on this frost date — see the calendar above for exact timing.

What planting zone is Marshall County, IN?

Marshall County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 26 and first fall frost is October 18.

When should I plant Bleeding Hearts in Marshall County, IN?

In Marshall County, IN, plant Bleeding Hearts after the last frost (around April 26) and before the first frost (around October 18). Best results when soil holds above 50°F.

What growing zone is Marshall County, IN for Bleeding Hearts?

Marshall County sits in USDA Zone 6a. Bleeding Hearts grows reliably in zones 3a through 9a, so it's a good fit here.

Can Bleeding Hearts grow in Marshall County's climate?

Yes — Bleeding Hearts grows well in Marshall County's temperate climate. Marshall County averages a 175-day frost-free season, with last frost around April 26 and first frost around October 18.

🌱

Your Marshall County Garden Planner — Free

A 22-page printable planner built for Marshall County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Marshall County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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