North America Non-native Plant

Monkey Jack

Botanical name: Artocarpus rigidus

USDA symbol: ARRI4

Native status: Not native but doesn't reproduce and persist in the wild

Monkey Jack: The Tropical Giant You Might Want to Think Twice About Meet the monkey jack (Artocarpus rigidus), a towering tropical tree that’s as impressive as it sounds quirky. This Southeast Asian native belongs to the same family as breadfruit and jackfruit, and like its famous cousins, it’s definitely not ...

Monkey Jack: The Tropical Giant You Might Want to Think Twice About

Meet the monkey jack (Artocarpus rigidus), a towering tropical tree that’s as impressive as it sounds quirky. This Southeast Asian native belongs to the same family as breadfruit and jackfruit, and like its famous cousins, it’s definitely not your average backyard tree. But before you get swept away by visions of exotic tropical vibes, let’s dive into what this magnificent tree is really all about.

What Exactly Is a Monkey Jack?

The monkey jack is a large evergreen tree that can reach impressive heights of 80-100 feet in its native habitat. With broad, glossy green leaves and a sturdy trunk, this tree commands attention wherever it grows. Its fruits are smaller than those of the common jackfruit but still substantial, and they’re actually quite tasty – which explains why monkeys (and humans) enjoy munching on them.

Where Does Monkey Jack Call Home?

This tropical beauty hails from the lush rainforests of Southeast Asia, particularly Malaysia, Indonesia, and surrounding regions. In these warm, humid environments, monkey jack trees thrive in the understory and canopy of diverse forest ecosystems, playing important roles in their native habitats.

The Good, The Bad, and The Practical

Let’s be honest – monkey jack trees are absolutely stunning specimens. Their aesthetic appeal is undeniable, with:

  • Large, architectural leaves that create dramatic tropical ambiance
  • Impressive stature that serves as a striking focal point
  • Interesting fruits that add exotic appeal
  • Dense canopy providing excellent shade

However, there are some significant considerations before planting one:

  • These trees get HUGE – we’re talking 80-100 feet tall with a substantial canopy spread
  • They’re only suited for USDA hardiness zones 10-12 (think southern Florida, Hawaii, or Southern California)
  • They require consistently warm temperatures year-round
  • The large fruits can create quite a mess when they drop

Growing Conditions: It’s All About Location

If you’re determined to grow a monkey jack, here’s what this tropical giant needs to thrive:

  • Climate: Warm, humid tropical or subtropical conditions year-round
  • Sunlight: Full sun to partial shade
  • Soil: Well-draining, fertile soil that retains some moisture
  • Space: Plenty of room – this isn’t a tree for small yards
  • Water: Regular watering, especially during dry periods

Care and Maintenance Tips

Growing a monkey jack successfully requires commitment:

  • Plant in a location with protection from strong winds
  • Mulch around the base to retain moisture and suppress weeds
  • Fertilize regularly with a balanced fertilizer during growing season
  • Prune only as needed to remove dead or damaged branches
  • Be prepared for fruit cleanup – those dropped fruits can be quite a chore

Wildlife and Pollinator Benefits

In its native range, monkey jack provides valuable resources for wildlife, including food for various animals and nesting sites for birds. The flowers attract pollinators like bees and other insects. However, in non-native locations, the wildlife benefits may be limited compared to native species.

Should You Plant a Monkey Jack?

Here’s the bottom line: while monkey jack trees are undeniably impressive and beautiful, they’re really only practical for gardeners in tropical climates with large properties. If you live in zones 10-12 and have the space, go for it – just be prepared for the commitment.

For most gardeners, especially those outside tropical zones, consider native alternatives that provide similar benefits without the challenges. Native trees will be better adapted to your local climate, support local wildlife more effectively, and generally require less maintenance.

If you’re set on tropical vibes but live in a temperate climate, consider growing smaller tropical plants in containers that you can bring indoors, or focus on native species that offer lush, tropical-looking foliage.

The Final Verdict

Monkey jack is truly a spectacular tree – in the right location. But unless you’re gardening in a tropical paradise with plenty of space, you might want to admire this beauty in botanical gardens and choose something more suitable for your specific garden conditions. Your local native plants (and your back from cleaning up those heavy fruits) will thank you!

Monkey Jack

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Urticales

Family

Moraceae Gaudich. - Mulberry family

Genus

Artocarpus J.R. Forst. & G. Forst. - breadfruit

Species

Artocarpus rigidus Blume - monkey Jack

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA