North America Native Plant

Van Zuuk False Bindweed

Botanical name: Calystegia vanzuukiae

USDA symbol: CAVA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Van Zuuk False Bindweed: A Mysterious California Native If you’re a native plant enthusiast always on the hunt for something truly unique, Van Zuuk false bindweed (Calystegia vanzuukiae) might just be the botanical mystery you’ve been looking for. This perennial California native is so rare in cultivation and botanical literature ...

Van Zuuk False Bindweed: A Mysterious California Native

If you’re a native plant enthusiast always on the hunt for something truly unique, Van Zuuk false bindweed (Calystegia vanzuukiae) might just be the botanical mystery you’ve been looking for. This perennial California native is so rare in cultivation and botanical literature that finding information about it feels a bit like searching for a hidden treasure.

What Makes This Plant Special

Van Zuuk false bindweed belongs to the morning glory family and is classified as a forb – essentially a non-woody flowering plant that dies back to ground level each winter, only to emerge again the following growing season. Unlike trees or shrubs that develop thick, woody stems, this plant maintains soft, herbaceous growth throughout its life.

As a member of the Calystegia genus, it’s related to other bindweeds and morning glories, plants known for their trumpet-shaped flowers and often vigorous growth habits. However, what sets this species apart is its extremely limited distribution and the scarcity of information about its characteristics.

Where You’ll Find It Growing Wild

This native plant calls California home, making it endemic to the Golden State. Its distribution appears to be quite restricted within California, though specific location details remain somewhat mysterious in botanical records.

The Challenge of Growing Van Zuuk False Bindweed

Here’s where things get interesting – and a bit frustrating for gardeners. Finding reliable information about this plant’s growing requirements, appearance, or even its availability in the nursery trade is extremely difficult. This rarity could mean several things:

  • It may have very specific habitat requirements that make cultivation challenging
  • It could be naturally rare in the wild
  • There may be limited research and documentation about this species
  • It might require specialized propagation techniques

Should You Try to Grow It?

While the idea of growing such a rare California native is appealing, the practical reality presents some challenges. Without clear information about its growing conditions, appearance, or ecological role, it’s difficult to provide specific cultivation advice.

If you’re determined to work with native bindweeds in your California garden, consider these better-documented alternatives:

  • Beach morning glory (Calystegia soldanella) – great for coastal gardens
  • Western morning glory (Calystegia occidentalis) – adaptable to various conditions
  • Chaparral morning glory (Calystegia macrostegia) – perfect for dry, sunny slopes

The Bottom Line

Van Zuuk false bindweed represents one of those fascinating botanical puzzles that remind us how much we still have to learn about our native flora. While it may not be the easiest plant to add to your garden right now, its very existence speaks to California’s incredible plant diversity.

If you do encounter this species in the wild or find a reliable source, approach it with the respect due to any rare native plant. Always ensure any plant material is ethically and legally sourced, and consider contributing to citizen science projects that help document rare species like this one.

Sometimes the most intriguing plants are the ones that keep a few secrets, and Van Zuuk false bindweed certainly fits that description perfectly.

Van Zuuk False Bindweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Convolvulaceae Juss. - Morning-glory family

Genus

Calystegia R. Br. - false bindweed

Species

Calystegia vanzuukiae Brummitt & Namoff - Van Zuuk false bindweed

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