When to Plant Arugula in Eagle Lake, Maine (04739)

Location

Eagle Lake, Maine

ZIP Code

04739

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, April 17, 2026

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

Pro tip: Sow Arugula directly outdoors 4 weeks before your last frost date.

Add to Calendar (.ics)

🌿 Plant Details

Scientific Name Eruca vesicaria subsp. sativa

Days to Maturity 40 days

Mature Height 6-12"

Spread 6"

Type Leaf

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

6" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 3-7 days

Ready to Plant Arugula in Eagle Lake?

Get your seeds now so they're ready by Friday, April 17, 2026.

🛒 Buy on Amazon 🌿 True Leaf Market

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

CarrotLettuceRadishBean

🤝

Full Companion Planting Guide for Arugula

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

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

* Affiliate links — we may earn a small commission at no extra cost to you.

🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let plants bolt and seed pods dry on the stalk. Harvest before pods shatter.

Processing

Cut stalks into a bag, dry, thresh to separate seeds from pods.

Seed Viability

Up to 5 years when stored cool, dark, and dry.

Pro Tip

Arugula cross-pollinates readily — isolate by 300 feet from other arugula varieties for pure seed.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 4 per sq ft of Arugula. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Arugula in Eagle Lake, Maine? +

In Eagle Lake (Zone 4a), direct sow Arugula outdoors around Friday, April 17, 2026.

What is the last frost date for Eagle Lake, Maine? +

The average last spring frost date for Eagle Lake, Maine (ZIP 04739) is around Friday, May 15, 2026. This is based on NOAA climate normals for USDA Zone 4a.

How long does Arugula take to grow? +

Arugula typically matures in about 40 days from direct sowing. In Eagle Lake, that means you can expect harvest around Friday, April 17, 2026 plus 40 days.

Should I start Arugula indoors or direct sow in Maine? +

Arugula does best when direct sown outdoors. In Eagle Lake, sow directly around Friday, April 17, 2026.

📚 More Arugula Planting Guides

🗺️

Arugula in Maine

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4a Arugula Guide

All cities in your zone · Avg dates

→

Other Plants for Eagle Lake

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke 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 Arugula in Zone 4a

Arugula (Eruca vesicaria subsp. sativa) is a popular garden vegetable. In Eagle Lake, Maine, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 17, 2026.

Your average last frost date is Friday, May 15, 2026. Arugula grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.