When to Plant Lemon Tree in Caldwell, Idaho (83607)

Location

Caldwell, Idaho

ZIP Code

83607

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, May 8, 2026

Based on last frost Friday, April 10, 2026 · Zone 7a

Pro tip: Sow Lemon Tree directly outdoors 4 weeks after your last frost date — it needs warm soil.

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🌿 Plant Details

Scientific Name Citrus limon

Days to Maturity 1095 days

Mature Height 60-120"

Spread 96"

Type Evergreen Tree

Fruit Size Medium (2-3 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

Moderate (deep, infrequent watering)

↔️

Spacing

120" apart

Ready to Plant Lemon Tree in Caldwell?

Get your seeds now so they're ready by Friday, May 8, 2026.

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🤝 Good Companions

MarigoldLavenderLemon Balm

⚠️ Avoid Planting Near

Fennel

🤝

Full Companion Planting Guide for Lemon Tree

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

🛠️ Supplies You'll Need

🌿 Fruit Tree Fertilizer 🕸️ Garden Netting 🚿 Watering Can

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🌾 Seed Saving Guide

🪴 Vegetative propagation

Propagate vegetatively, not by seed

Lemon seeds grow polyembryonic seedlings, many of which are true-to-type clones of the parent — worth trying.

Plant fresh seeds immediately — lemon seeds lose viability quickly when dried.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 0 plants of Lemon Tree. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Lemon Tree in Caldwell, Idaho? +

In Caldwell (Zone 7a), direct sow Lemon Tree outdoors around Friday, May 8, 2026.

What is the last frost date for Caldwell, Idaho? +

The average last spring frost date for Caldwell, Idaho (ZIP 83607) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.

How long does Lemon Tree take to grow? +

Lemon Tree typically matures in about 1095 days from direct sowing. In Caldwell, that means you can expect harvest around Friday, May 8, 2026 plus 1095 days.

Should I start Lemon Tree indoors or direct sow in Idaho? +

Lemon Tree does best when direct sown outdoors. In Caldwell, sow directly around Friday, May 8, 2026.

📚 More Lemon Tree Planting Guides

🗺️

Lemon Tree in Idaho

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7a Lemon Tree Guide

All cities in your zone · Avg dates

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Other Plants for Caldwell

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 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 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 Lemon Tree in Zone 7a

Lemon Tree (Citrus limon) is a popular garden vegetable. In Caldwell, Idaho, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, May 8, 2026.

Your average last frost date is Friday, April 10, 2026. Lemon Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.