Growing Black-eyed Susans in Zone 4
When to plant and harvest black-eyed susans in Zone 4— based on your zone's frost dates.
Zone 4 sits comfortably within black-eyed susans' best range (Zones 3–9), so it grows well here on a standard schedule.
Black-eyed Susans planting calendar for Zone 4
These months are derived from Zone 4's frost dates — last frost around Early – mid May, first frost around Mid September – mid October.
Start indoors
March
Sow outdoors
May
Transplant
May
Harvest
September
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Black-eyed Susans care at a glance
- Sunlight
- Full sun (6+ hours)
- Water
- Low — drought-tolerant once established
- Spacing
- 12–18 in apart
- Days to maturity
- 90–120 days from seed to bloom
- Best zones
- 3–9 (hardy perennial; often grown as an annual)
Growing black-eyed susans in Zone 4: FAQs
Can you grow black-eyed susans in Zone 4?＋
Zone 4 sits comfortably within black-eyed susans' best range (Zones 3–9), so it grows well here on a standard schedule.
When should I plant black-eyed susans in Zone 4?＋
In Zone 4, start seeds indoors around March. Zone 4's last spring frost is typically Early – mid May and its first fall frost around Mid September – mid October, which sets the planting window.
When to harvest black-eyed susans in Zone 4?＋
Expect to harvest black-eyed susans in Zone 4 around September, depending on the season and variety.
Full Black-eyed Susans guide →
Complete care, problems, companions, and harvest tips.
Zone 4 overview →
Frost dates, climate, and everything to grow here.
October in Zone 4 →
What to sow, transplant, and harvest this month.