When to Plant Anise in Arlington, Colorado (81021)

Location

Arlington, Colorado

ZIP Code

81021

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Saturday, May 9, 2026

Based on last frost Saturday, April 25, 2026 · Zone 5b

Pro tip: Sow Anise directly outdoors 2 weeks after your last frost date — it needs warm soil.

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🌿 Plant Details

Scientific Name Pimpinella anisum

Days to Maturity 75 days

Mature Height 18-24"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Anise in Arlington?

Get your seeds now so they're ready by Saturday, May 9, 2026.

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🤝 Good Companions

CorianderCarrot

⚠️ Avoid Planting Near

FennelDillCaraway

🤝

Full Companion Planting Guide for Anise

See which plants help Anise 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

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest seed heads when gray-green to light brown, before they fully dry and shatter.

Processing

Cut seed heads into paper bag, hang dry for 1–2 weeks, then thresh gently.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Anise seeds are also a culinary spice — you can save the same seeds you'd use for cooking.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Anise in Arlington, Colorado? +

In Arlington (Zone 5b), direct sow Anise outdoors around Saturday, May 9, 2026.

What is the last frost date for Arlington, Colorado? +

The average last spring frost date for Arlington, Colorado (ZIP 81021) is around Saturday, April 25, 2026. This is based on NOAA climate normals for USDA Zone 5b.

How long does Anise take to grow? +

Anise typically matures in about 75 days from direct sowing. In Arlington, that means you can expect harvest around Saturday, May 9, 2026 plus 75 days.

Should I start Anise indoors or direct sow in Colorado? +

Anise does best when direct sown outdoors. In Arlington, sow directly around Saturday, May 9, 2026.

📚 More Anise Planting Guides

🗺️

Anise in Colorado

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 5b Anise Guide

All cities in your zone · Avg dates

→

Other Plants for Arlington

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 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 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 Anise in Zone 5b

Anise (Pimpinella anisum) is a popular garden vegetable. In Arlington, Colorado, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, May 9, 2026.

Your average last frost date is Saturday, April 25, 2026. Anise grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.