Agave 'Blue Emperor' Plants - Outdoor GROW TROPICALS
Blue Emperor Agave

Agave 'Blue Emperor'

£22.99
Protect from hard frostSun-lovingEvergreen
Pot size
12cm / 1L £22.99

FREE tracked delivery on orders over £60

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Description

Agave 'Blue Emperor' packs the full sculptural force of the genus into a rosette small enough for a terracotta pot: intensely dark blue-green leaves, edged with contrasting teeth, arranged with the geometric precision that makes collectors fall for agaves in the first place. The colour deepens with sun until the whole plant reads almost steel blue.

Compact and slow, it is one of the easiest ways into hardy agave growing. Kept dry at the root it takes around -8C, and its size means winter protection is as simple as sliding the pot under a porch. In the ground it wants what every agave wants: sun, grit and benign neglect.

How and where to grow

  • Position: full sun; the brighter, the bluer.
  • Soil: gritty and extremely free-draining, or a half-grit pot mix.
  • Size: a compact rosette to around 30-40 cm across.
  • Hardiness: around -8C with dry roots; we rate it H3 for honesty.

Grow it as the centrepiece of a trough or gravel pocket in a dry garden, or in a pot among our plants for pots. It makes a superb trio with Agave parryi red select and Agave 'Shaka Zulu' from our hardy exotics range.

Only a handful available. Winter care is covered honestly in our seasonal expectations guide.

Live Arrival Guarantee

All plants are covered by our 7-day live arrival guarantee. We pack every order in protective, sustainable packaging designed to keep your plants safe in transit, and every plant is checked before it ships. On the rare occasion something is not right on arrival, we will make it good, provided the plant is still in its original nursery pot.

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What to Expect

Seasonal by nature: what to expect

  • Grown outdoors, the way nature intended. Weather-tested and hardened in real UK conditions, so they thrive in your garden. A few marks on the older leaves are normal, the sign of a tough, real plant rather than a flaw.
  • It follows the seasons. Depending on when you order, your plant may arrive cut back, dormant or leafless. That's healthy: dormancy is the ideal time to plant.
  • Posted, not posed. Big leafy plants like bananas and gingers may be trimmed or gently folded to travel safely. It does the plant no harm, and it powers away again in spring.

Not sure what to expect from yours? Dormant, cut-back or weather-marked plants are all perfectly healthy and normal. Read what to expect through the seasons

Delivery & returns

Order by 1pm Monday to Friday for same day dispatch. Every plant travels in protective, plant-safe packaging with tracked delivery.

Changed your mind? See our Return Policy.

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How to care for Blue Emperor Agave

Plant me in full sun and protect me when hard frost threatens.

In their words

What our customers say

Arrived just like the photos - maybe even fuller. Healthy, well-acclimated, and straight into my collection with no issues.

Emily P.

Flawless leaves, stunning variegation, and clearly cared for by experts. It’s already a talking point in my home office.

James R.

Hard to find rare plants that are pet-safe. Ours arrived in perfect condition and looks amazing without any worry.

Sophie L.
Get to know me

About Blue Emperor Agave

Agave 'Blue Emperor' needs full sun and well-drained soil. It is half-hardy to around −5°C and needs protection from hard frost.

Good for

Architectural Dry & Gravel Gardens Pots & Containers

Hardiness

TenderVery hardy

Semi-Hardy (H3): down to around −5°C. Half-hardy; reliable in mild or coastal gardens, protect in colder areas.

Hardy to around -8C when kept dry at the root; we rate it H3. Grow it with sharp drainage and winter rain protection outdoors, or in a pot brought under cover for the wettest months. Read moreShow less

Hardy to around -8C when kept dry at the root; we rate it H3. Grow it with sharp drainage and winter rain protection outdoors, or in a pot brought under cover for the wettest months.

Position

Full sunSouth-facingWest-facingSheltered
Full sun. The dark blue colouring intensifies with light. Read moreShow less

Full sun. The dark blue colouring intensifies with light.

Soil

SandLoamWell-drainedAcid pHNeutral pH
Gritty, extremely free-draining soil or a 50/50 grit and compost pot mix. Read moreShow less

Gritty, extremely free-draining soil or a 50/50 grit and compost pot mix.

Watering

Minimal. Water occasionally in the first summer, then only in extended drought. Keep dry in winter. Read moreShow less

Minimal. Water occasionally in the first summer, then only in extended drought. Keep dry in winter.

Mature size

Height0.3-0.4 m
Spread0.3-0.4 m

Reaches full size in 10-20 years

Growth habit

Clump-forming

Seasonal colour

Foliage

Evergreen

Pruning

No pruning. Remove dead lower leaves with gloves as needed.

Toxicity

Leaf tips carry sharp spines and the sap can irritate skin; handle with gloves and site thoughtfully.

Native range

Garden origin (Mexico)

Family

Asparagaceae

Also known as

Agave 'Blue Emperor'

Genus

Agave →
Good to know

Frequently Asked Questions

What is Agave 'Blue Emperor'?

A compact collector's agave selected for intensely dark blue-green leaves edged with contrasting teeth, forming a neat, symmetrical rosette. It stays small enough for a pot or rockery pocket, making it an easy way into hardy agave growing.

How hardy is Agave 'Blue Emperor'?

To around -8C with dry roots, which we rate honestly as H3. Like all agaves it is winter wet that does the damage: sharp drainage and rain protection matter far more than the thermometer. See our seasonal expectations guide.

Is 'Blue Emperor' good in a pot?

Perfect for one. Its compact rosette suits terracotta beautifully, and pot culture lets you move it under a porch or cold greenhouse for winter. Use a half-grit mix and browse our plants for pots for companions.

How fast does it grow?

Slowly, like all the best agaves. Expect a tidy rosette that adds a few leaves a year, staying in scale in a pot or gravel pocket for many years. Slow growth is part of the appeal: the symmetry stays perfect.

Which other hardy agaves do you grow?

Pair 'Blue Emperor' with the burgundy-toothed Agave parryi red select and the sculptural Agave 'Shaka Zulu' from our hardy exotics range for a collector's trio.

How do I overwinter agaves outdoors?

Keep the roots dry. Plant high on a mound or slope in gritty soil, and from November to March keep the worst rain off with a pane of glass, an open cloche or a sheltered wall overhang. Airflow stays open; only the rain is excluded. Dry cold does remarkably little harm.

Does my plant come with a pot?
Your plant will arrive in its nursery grow pot — the plastic pot it's been growing in. We don't include a decorative pot as standard, and there's a good reason for that: it means you get to choose one that fits your space and style, rather than being stuck with something that doesn't suit your home.

It also means you're not paying extra for a pot you might not want. The nursery pot is perfectly fine to keep your plant in for a while, just pop it inside a decorative cover pot or cache pot and you're good to go. When you're ready to repot (usually after a growing season or when roots start poking out the bottom), you can move it into something more permanent with fresh soil.

If you're not sure what size cover pot to go for, check the pot selector tool listed above, you'll want a decorative pot that's a centimetre or two wider than that to give it a comfortable fit.
How big will my plant be when it arrives?
Every plant on our site includes the pot size (e.g. 12cm) and, where possible, an approximate height. That's the most reliable way to set your expectations, photos can sometimes make a plant look larger or smaller than it really is.

If you're thinking "that sounds quite small for the price," here's something worth knowing: younger, smaller plants almost always adapt better to your home than larger ones. They adjust faster to your light and humidity, put out new growth more quickly, and tend to establish stronger root systems long-term. A plant that grows into your space will usually outperform one that was already big when it arrived.

That said, every plant is an individual. The one you receive may vary slightly in height, shape, or fullness compared to the photo, that's the nature of living things, not a quality issue. We select healthy, well-established specimens, and if you ever feel your plant doesn't match what you were expecting, just get in touch and we'll take a look.
What makes your plants different from the supermarket or garden centre?
There's a big difference between a plant that's been sitting under on a retail shelf and one that's been looked after and cared for by people who specialise in exactly this.

Our plants are grown in house or sourced from specialist nurseries, many of them varieties you simply won't find at your local garden centre or supermarket. Before anything leaves us, it's checked over by our horticultural team to make sure it's healthy, well-rooted, and ready to thrive in your home. We're not shifting volume off a pallet, we're choosing plants we'd want to keep ourselves.

When you buy from a supermarket, you get a plant and a generic care label. When you buy from us, you get the knowledge that comes with it, detailed care guidance, a team you can actually contact if something isn't going right, and the confidence that what's arriving has been looked after properly from the moment it was grown to the moment it reaches your door.

We're a specialist nursery first, not a retailer that happens to sell plants. That's the difference, and you'll see it the moment you open the box.
What should I do when my plant arrives?
First things first, unbox it as soon as you can. Plants don't love being in dark boxes any more than you would, and the sooner yours is out and breathing, the better.

Remove all the packaging carefully, give the soil a check with your finger, and water lightly if it feels dry. Then find it a spot with appropriate light, but avoid putting it straight into harsh direct sun or next to a radiator. Think of it like arriving somewhere new after a long journey: it needs a moment to adjust.

It's completely normal for your plant to look a little tired or droopy after transit. This is called transit stress, and most plants bounce back within a week or two. You might see a yellow leaf or some drooping, don't panic, and resist the urge to overwater or start repotting straight away.

Our advice for the first couple of weeks: leave it in its nursery pot, water it only when the top layer of soil feels dry, and let it acclimatise to your home's light, temperature, and humidity. Once it's settled in and showing signs of new growth, you can think about repotting or moving it to its permanent spot.

Every plant we sell comes with a care guide on the product page so you'll know exactly what it needs going forward. And if anything doesn't look right, get in touch with our team, we're always happy to help.
Will my plant survive being shipped?
Yes! and we go to serious lengths to make sure of it. Every plant is hand-packed by our team with protective wrapping and secure, custom-designed boxes to keep it stable and safe in transit. We've shipped hundreds of thousands of plants across the UK and our packaging methods have been refined over years to handle the bumps and jolts of delivery.

During colder months, we monitor weather forecasts and offer heat packs where needed to protect against frost. In extreme conditions, we may hold your order for a day or two rather than risk sending it out, we'd rather you wait an extra day than receive a stressed plant.

That said, plants are living things, and the occasional transit wobble can happen. If your plant arrives damaged or isn't in the condition you'd expect, just get in touch within 48 hours with a photo, and we'll make it right, whether that's a replacement or a full refund. No fuss.

The short version: we treat every box like it's going to someone who really cares about what's inside, because it is.
Meet the family

Everything about Agave

Agave indoors comes down to one rule: maximum light, minimum water. This guide covers everything you need to grow it well in a UK home.

More about Agave care
Agave Care Guide
Why Grow Tropicals

Plants delivered the way they deserve

Packaged with Care

Packaged with Care

Every order is hand-packed in eco-friendly, protective packaging - refined through thousands of deliveries to ensure your plant arrives healthy, hydrated, and looking its best.

Backed by our Live Arrival Guarantee.

Perfect for Gifting

Perfect for Gifting

From rare collector’s pieces to easy-care favourites, our plants arrive fully potted and ready to enjoy. Add a personalised note at checkout for a thoughtful finishing touch.

Delivered fresh, beautiful, and gift-ready.

Sustainability at Heart

Sustainability at Heart

All plants are ethically sourced from trusted growers, never wild-collected. Every order ships carbon-neutral in minimal-waste packaging.

Good for your home - and the planet.

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Agave 'Blue Emperor'
£22.99