When to Plant Parsley in Cable, Wisconsin (54821)

Location

Cable, Wisconsin

ZIP Code

54821

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Friday, March 20, 2026

Transplant Outdoors

Friday, May 29, 2026

Based on last frost Friday, May 15, 2026 · Zone 4a

Pro tip: Start Parsley seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.

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🌿 Plant Details

Scientific Name Petroselinum crispum

Days to Maturity 75 days

Mature Height 12-18"

Spread 12"

Type Leaf

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-28 days

Ready to Plant Parsley in Cable?

Get your seeds now so they're ready by Friday, March 20, 2026.

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🤝 Good Companions

AsparagusTomatoCornRose

🤝

Full Companion Planting Guide for Parsley

See which plants help Parsley thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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Common Parsley Varieties

Popular cultivars to look for at your local nursery or seed supplier.

Italian Flat-Leaf

open-pollinated

Preferred by chefs for its bold flavor; better for cooking than curly varieties.

Curly Parsley

open-pollinated

Decorative tightly ruffled leaves; mild flavor, popular as a garnish.

Giant Italian

open-pollinated

Large, productive flat-leaf variety with exceptional flavor; vigorous grower.

🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Parsley is biennial — it flowers in year 2. Harvest seed heads when fully brown and dry.

Processing

Cut seed heads into a bag, allow to fully dry, shake out seeds.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

Parsley must overwinter to produce seed. In cold climates, mulch heavily or pot and bring indoors through winter.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Parsley. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Parsley in Cable, Wisconsin? +

In Cable (Zone 4a), start Parsley seeds indoors around Friday, March 20, 2026 and transplant outdoors around Friday, May 29, 2026.

What is the last frost date for Cable, Wisconsin? +

The average last spring frost date for Cable, Wisconsin (ZIP 54821) is around Friday, May 15, 2026. This is based on NOAA climate normals for USDA Zone 4a.

How long does Parsley take to grow? +

Parsley typically matures in about 75 days from transplanting. In Cable, that means you can expect harvest around Friday, May 29, 2026 plus 75 days.

Should I start Parsley indoors or direct sow in Wisconsin? +

Parsley should be started indoors 8 weeks before your last frost date. In Cable, that means starting around Friday, March 20, 2026.

📚 More Parsley Planting Guides

🗺️

Parsley in Wisconsin

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4a Parsley Guide

All cities in your zone · Avg dates

→

Other Plants for Cable

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussels Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Growing Parsley in Zone 4a

Parsley (Petroselinum crispum) is a popular garden vegetable. In Cable, Wisconsin, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Parsley seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.