When to Plant Lima Bean in Fairbanks, Alaska (99708)

Location

Fairbanks, Alaska

ZIP Code

99708

USDA Zone

Last Frost

Monday, June 1, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Monday, June 1, 2026

Based on last frost Monday, June 1, 2026 · Zone 2a

Pro tip: Sow Lima Bean directly outdoors around your last frost date when soil starts to warm.

Add to Calendar (.ics)

🌿 Plant Details

Scientific Name Phaseolus lunatus

Days to Maturity 75 days

Mature Height 18-24"

Spread 6"

Type Bush

Fruit Size Medium (flat pods)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Lima Bean in Fairbanks?

Get your seeds now so they're ready by Monday, June 1, 2026.

🛒 Buy on Amazon 🌿 True Leaf Market

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

🤝 Good Companions

CornSquashCucumberCarrot

⚠️ Avoid Planting Near

OnionGarlicFennel

🤝

Full Companion Planting Guide for Lima Bean

See which plants help Lima Bean 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

Allow pods to dry and turn brown on the vine before picking.

Processing

Shell dried pods, cure seeds on screen for 2 weeks, then store in a cool dry place.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Lima beans self-pollinate before the flower opens — easy to keep varieties pure.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Lima Bean in Fairbanks, Alaska? +

In Fairbanks (Zone 2a), direct sow Lima Bean outdoors around Monday, June 1, 2026.

What is the last frost date for Fairbanks, Alaska? +

The average last spring frost date for Fairbanks, Alaska (ZIP 99708) is around Monday, June 1, 2026. This is based on NOAA climate normals for USDA Zone 2a.

How long does Lima Bean take to grow? +

Lima Bean typically matures in about 75 days from direct sowing. In Fairbanks, that means you can expect harvest around Monday, June 1, 2026 plus 75 days.

Should I start Lima Bean indoors or direct sow in Alaska? +

Lima Bean does best when direct sown outdoors. In Fairbanks, sow directly around Monday, June 1, 2026.

📚 More Lima Bean Planting Guides

🗺️

Lima Bean in Alaska

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 2a Lima Bean Guide

All cities in your zone · Avg dates

→

Other Plants for Fairbanks

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley 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 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 Lima Bean in Zone 2a

Lima Bean (Phaseolus lunatus) is a popular garden vegetable. In Fairbanks, Alaska, which is in USDA Hardiness Zone 2a, you should direct sow seeds around Monday, June 1, 2026.

Your average last frost date is Monday, June 1, 2026. Lima Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.