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When to Plant Bleeding Hearts in USDA Zone 6a

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Avg. last frost April 27
Avg. first frost October 16
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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.

In Zone 6a, the average last spring frost is around April 10 and the first fall frost is around October 20, giving you a growing season of approximately 193 days.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Zone 6a Moderate season
193 days
Last Spring Frost April 10
193 growing days
First Fall Frost October 20

Bleeding Hearts Planting Timeline — Zone 6a

Where Is USDA Zone 6a?

The map below highlights the states that contain Zone 6a. Click any state to see the Bleeding Hearts planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Bleeding Hearts Planting Calendar — Zone 6a

Activity When Date Range
Start Indoors February 6 Feb 6 – Feb 20
Transplant Outdoors April 17 Apr 17 – May 1
Bloom June 12 Jun 12 – Jul 17

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

Month-by-Month Timeline

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

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Growing Conditions

Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

Days to Maturity

60–90 days

Soil pH

6 – 7

Zone Temperature Range

-10°F to -5°F average annual minimum

Growing Season

193 days (Zone 6a average)

Planting Specifications

Planting Depth1.5 inches
Plant Spacing24 inches apart
Row Spacing30 inches between rows

Succession Planting Bleeding Hearts in Zone 6a

3
successive plantings in Zone 6a's ~193-day season

Sow every 6.9 weeks for continuous harvest throughout the season.

Growing Tips for Bleeding Hearts in Zone 6a

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

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Saving Bleeding Hearts Seeds

Recommended for Your Garden

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

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Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

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Frequently Asked Questions

When should I plant Bleeding Hearts in Zone 6a?

In Zone 6a, plan your Bleeding Hearts planting around the average last frost date of April 10. Start seeds indoors around February 6. Transplant seedlings around April 17.

Can Bleeding Hearts grow in Zone 6a?

Yes, Bleeding Hearts can grow well in Zone 6a, hardy in USDA zones 3a through 9a. Zone 6a has a growing season of approximately 193 days, which is sufficient for Bleeding Hearts (60-90 days to maturity).

When can I harvest Bleeding Hearts in Zone 6a?

In Zone 6a, expect to harvest Bleeding Hearts from June 12 – July 17. Bleeding Hearts takes 60-90 days from planting to harvest.

What is the last frost date for Zone 6a?

The average last spring frost in Zone 6a is around April 10, and the first fall frost is around October 20. This gives a growing season of approximately 193 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Bleeding Hearts?

Good companion plants for Bleeding Hearts include Hostas, Ferns, Columbine, Astilbe. These companions can help with pest control, pollination, and nutrient sharing.

🌱

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: July 2026.

Sources & credits

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