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Flat Leaf Parsley

Parsley
Zone 1b Save Garden

Planting Schedule

Add Flat Leaf Parsley to your garden to build a schedule and get reminders.
Botanical illustration of Flat Leaf Parsley
70d to harvest

Aromatic, flat, and beautifully lacy—Italian Flat Leaf Parsley brings a vivid green fragrance that rises the moment you brush its leaves. The foliage is tender and finely textured, with broad, true flat blades that stay attractive through the season for steady harvests. Ideal for fresh garnishing and flavoring, it shines in herb-forward sauces, bright salads, and pickling blends where its clean, classic parsley character is front and center.

Crop Dates

Growing note: Zone 1b has only 61 frost-free days — shorter than this crop's 70-day maturity. Outdoor planting is not viable; use protected cultivation.
MilestoneDate
Last FrostJun 1st
Growing ApproachProtected Environment Only

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsPart SunPartial sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)45
Min Night Temp (°F)35
Harden Off (days)7

Today's Conditions

Outdoor planting for Flat Leaf Parsley in Zone 1b typically begins around Indoor Lights Only. Wait until soil reaches at least 45°F before transplanting Flat Leaf Parsley.

Garden Alerts

Zone 1b has only 61 frost-free days — shorter than this crop's 70-day maturity. Outdoor planting is not viable; use protected cultivation.

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Frequently Asked Questions

What is the most common disease issue for flat-leaf parsley (Petroselinum crispum var. neapolitanum) and how do I control it?
A frequent problem is Septoria leaf spot, which shows as small, dark spots that expand and yellow the leaves. Remove and discard infected foliage, improve airflow around plants, and avoid wetting the leaves when watering. If it keeps spreading, treat with a labeled copper-based fungicide and repeat as directed on the label, starting at the first signs.
How can I tell when flat-leaf parsley is ready to harvest (about 70 days)?
Harvest when plants have reached a full rosette and leaves are sturdy enough to cut without tearing—typically around day 70. Pick outer stems first, cutting near the base and leaving the inner growth to continue producing. If leaves are pale and sparse, wait a bit longer; harvest should be vigorous once the plant forms dense, flat leaves.
Botanical illustration of Flat Leaf Parsley

Aromatic, flat, and beautifully lacy—Italian Flat Leaf Parsley brings a vivid green fragrance that rises the moment you brush its leaves. The foliage is tender and finely textured, with broad, true flat blades that stay attractive through the season for steady harvests. Ideal for fresh garnishing and flavoring, it shines in herb-forward sauces, bright salads, and pickling blends where its clean, classic parsley character is front and center.

Today's Conditions

Outdoor planting for Flat Leaf Parsley in Zone 1b typically begins around Indoor Lights Only. Wait until soil reaches at least 45°F before transplanting Flat Leaf Parsley.

Garden Alerts

Zone 1b has only 61 frost-free days — shorter than this crop's 70-day maturity. Outdoor planting is not viable; use protected cultivation.

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 45°F for reliable germination and early growth.

Expert Note

Soak parsley seed 12–24 hours and expect slow germination; keep seedlings evenly moist and transplant only after nights are reliably warm.