Does Honeysuckle Grow in Colorado Can You Plant It?

Yes, honeysuckle can grow in Colorado, but the type you choose makes all the difference between a thriving vine and a plant that struggles or, worse, causes problems. Colorado's native species like twinberry honeysuckle (Lonicera involucrata) are right at home here, and ornamental varieties like trumpet honeysuckle (Lonicera sempervirens) handle Colorado winters surprisingly well. What you want to avoid are the invasive types like Japanese honeysuckle (Lonicera japonica) and Amur honeysuckle, which bring their own headaches. Pick the right species for your specific location in the state, and you'll have a blooming, happy plant.

Which honeysuckle types actually belong in Colorado

Not all honeysuckles are created equal, and in Colorado that distinction really matters. There are three broad categories worth understanding before you buy anything.

Native Colorado honeysuckles (your safest bet)

Lonicera involucrata, known as twinberry or bearberry honeysuckle, is a Colorado native that grows naturally along rivers and streams in the west-central and southwestern Rocky Mountains. USGS vegetation surveys actually list it as the most abundant understory shrub in certain Colorado riparian forest communities, so it is genuinely adapted to the state's conditions. Utah honeysuckle (Lonicera utahensis) is another native that shows up in mapped plant communities in Colorado. These native shrubs are cold-hardy, ecologically appropriate, and will not cause the invasive problems you get with non-native species.

Ornamental honeysuckle that performs well here

Trumpet honeysuckle (Lonicera sempervirens), sometimes called coral honeysuckle, is the ornamental vine most often recommended for Colorado gardens. CSU's PlantTalk Colorado specifically names it as a good vine choice, describing it as a rapid-growing deciduous vine with coral-pink flowers and attractive bluish-green leaves. It is hardy to USDA Zone 4a according to Cornell's woody plant database, which covers most of Colorado's populated areas. CSU Extension also lists Tatarian honeysuckle (Lonicera tatarica) on its FireWise plant materials list, meaning it's been vetted for Colorado landscapes.

Invasive types to skip entirely

Japanese honeysuckle (Lonicera japonica) is cold-hardy enough to survive in Colorado (it tolerates down to Zone 4), but it's documented as invasive by the National Invasive Species Information Center and can form dense mats that outcompete native plants. Amur honeysuckle (Lonicera maackii) and Morrow's honeysuckle fall into the same category. The National Park Service and USDA Forest Service both actively recommend removing these from properties and replanting with native alternatives. Buying one of these at a big-box store is an easy mistake to make, so check the Latin name on the tag before you commit.

How Colorado's climate affects your honeysuckle

Colorado is not one climate, and that is really the most important thing to understand before buying any plant. The state spans USDA hardiness zones roughly from Zone 3 in the high mountain areas to Zone 7 in some sheltered lower-elevation pockets. The bigger challenge for honeysuckle in Colorado is not always the low winter temperature itself, it's the late-spring freezes, intense sun at altitude, and the dramatic temperature swings that can fool plants into budding too early. Trumpet honeysuckle leafs out early, so a surprise hard freeze in April can set it back, though established plants usually recover. Trumpet honeysuckle is one of the earliest to break dormancy, so the question of when honeysuckle grows often comes down to your local zone and the timing of late-spring freezes when does honeysuckle grow.

The USDA's Plant Hardiness Zone Map is built on average annual extreme minimum temperatures using a 1991-2020 climate baseline. That number tells you whether a plant can survive the cold, but it doesn't account for Colorado's notorious chinook winds, sudden temperature drops, or dry winters that can desiccate evergreen foliage. For deciduous honeysuckles like trumpet or twinberry, winter desiccation is less of an issue since they drop their leaves. That's one more reason to lean toward deciduous species over anything evergreen in most Colorado locations.

Microclimates matter more than you'd think

A south-facing brick wall in Denver creates a completely different growing environment than an exposed north slope in the same neighborhood, let alone the difference between Denver and, say, Steamboat Springs. The Front Range corridor, including metro Denver, Colorado Springs, Fort Collins, and Pueblo, generally sits in Zones 5-6, which is comfortable territory for trumpet honeysuckle and most ornamental varieties. The Western Slope communities like Grand Junction can run warmer (Zone 6-7), while mountain towns above 7,000 feet are often Zone 4 or colder. Twinberry honeysuckle is actually documented growing in those higher-elevation riparian zones natively, so it's the obvious pick for mountain gardeners.

Where in Colorado honeysuckle grows best

If you're on the Front Range, you're in a good position for the widest selection. Zone 5 and Zone 6 cover most of the populated Front Range, meaning trumpet honeysuckle, Tatarian honeysuckle, and twinberry are all realistic options. The Western Slope, especially areas around Grand Junction in Zone 6-7, can support these same varieties with less winter stress. Mountain communities in Zone 4 and below should focus on native species like twinberry (Lonicera involucrata), which is proven in those environments. If you're wondering can you grow honeysuckle in a hanging basket, start by choosing a hardy vine type and giving it consistent watering and a sturdy support. The high alpine zones above about 9,000-10,000 feet are really too extreme for most cultivated honeysuckle, native or otherwise. If you're asking, does honeysuckle grow in Arizona, the short answer is yes, but choosing the right type and hardiness zone matters just as much as it does in Colorado.

• Front Range (Denver, Fort Collins, Colorado Springs) — Zones 5-6, most ornamental honeysuckles viable
• Western Slope (Grand Junction area) — Zones 6-7, excellent conditions for ornamental varieties
• Mountain towns at 6,000-8,000 ft — Zone 4-5, stick to cold-hardy natives and hardier ornamentals
• High mountain areas above 8,000-9,000 ft — Zone 3-4, native twinberry or Utah honeysuckle only
• Alpine elevations above 10,000 ft — Too harsh for most honeysuckle cultivation

Check your exact zone before you buy anything

The single best step you can take before purchasing honeysuckle is to look up your exact address on the USDA Plant Hardiness Zone Map. The 2023 map uses the most current 1991-2020 climate baseline and lets you enter your zip code to get your specific half-zone. Colorado is a patchwork of zones, and knowing whether you're in Zone 5a versus 5b actually changes which varieties are safe choices. The USDA ARS hosts the official map, and plantmaps.com also has a Colorado-specific version built on the same mean extreme climate data.

Once you have your zone, check the plant tag at your local nursery against that number. Any reputable Colorado nursery, especially independent garden centers rather than big-box stores, will stock varieties appropriate for local zones and can tell you exactly how a specific honeysuckle has performed for their customers. CSU Extension's local county offices are also a fantastic resource. They deal with the specific microclimates in their county every day and can tell you things about your area that no national map can capture.

If your zone is marginal, here's what to do

If you're in a Zone 4 or borderline Zone 3 area and really want honeysuckle, lean hard into the native options. Twinberry honeysuckle is literally documented growing wild in Colorado's coldest riparian zones, so it's not a gamble. For ornamental appeal in tough zones, trumpet honeysuckle (hardy to Zone 4a) is worth trying with some protection: plant it on a sheltered south or east-facing wall to buffer it from cold winds, mulch the root zone in fall, and give it a few seasons to establish. CSU Extension notes that established honeysuckle shrubs can be managed with renewal pruning on old wood, so even if a plant gets some dieback, it can often be brought back. Renewal pruning on old wood can help established honeysuckle recover, even if some stems die back. The key word there is established, so buying a larger specimen gives you a head start in marginal zones.

If honeysuckle turns out to be too risky for your specific spot, there are similar flowering vines and shrubs that fill the same garden role in Colorado. Clematis (many varieties rated to Zone 4 and lower), Virginia creeper, and native currants offer color and structure without the cold-hardiness gamble. For gardeners interested in similar fragrant or climbing plants, it's also worth knowing how honeysuckle compares to jasmine in Colorado conditions, since jasmine is considerably less cold-tolerant and is generally a tougher sell in most of the state. If you're planning a mixed planting, you can jasmine and honeysuckle grow together is worth checking so you match their sunlight and spacing needs.

Your quick checklist before buying honeysuckle in Colorado

1. Look up your zip code on the USDA Plant Hardiness Zone Map to confirm your exact zone
2. Choose a species rated at least one full zone colder than your zone for a margin of safety
3. Prioritize native species (Lonicera involucrata, Lonicera utahensis) if you're in Zone 4 or colder
4. Check the Latin name on the plant tag to avoid accidentally buying Japanese or Amur honeysuckle
5. Ask your local independent nursery which honeysuckle varieties they have seen succeed in your area
6. Pick a planting spot with some wind protection and good drainage to give the plant the best start
7. Contact your county's CSU Extension office if you want a local expert opinion on your specific microclimate