North America Native Plant

Tissueleaf Hawthorn

Botanical name: Crataegus membranacea

USDA symbol: CRME11

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Tissueleaf Hawthorn: A Rare Native Gem Worth Protecting Meet the tissueleaf hawthorn (Crataegus membranacea), one of nature’s rarest treasures hiding in plain sight in the northeastern United States. This native shrub is so uncommon that most gardeners have never heard of it, yet it represents an important piece of our ...

Rare plant alert!

Region: Conservation status by state

Status: S2?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Tissueleaf Hawthorn: A Rare Native Gem Worth Protecting

Meet the tissueleaf hawthorn (Crataegus membranacea), one of nature’s rarest treasures hiding in plain sight in the northeastern United States. This native shrub is so uncommon that most gardeners have never heard of it, yet it represents an important piece of our regional botanical heritage that deserves both attention and protection.

A True Native with a Tiny Range

The tissueleaf hawthorn is a perennial shrub native to the lower 48 states, but don’t expect to find it everywhere. This elusive beauty has an extremely limited range, naturally occurring only in Connecticut and Vermont. Talk about being picky about your neighborhood!

Why This Plant Matters (And Why You Should Care)

Here’s where things get serious: Crataegus membranacea carries a Global Conservation Status of S2?Q, which essentially means rare and we’re not even sure what we’re dealing with. The question mark in that ranking tells you everything – this species is so uncommon that botanists are still scratching their heads about its exact status and characteristics.

As a multi-stemmed woody shrub, the tissueleaf hawthorn typically grows less than 13-16 feet tall, with several stems emerging from or near the ground. Like its hawthorn cousins, it likely produces clusters of white flowers in spring followed by small fruits that wildlife appreciate.

Should You Plant Tissueleaf Hawthorn?

If you’re lucky enough to live in Connecticut or Vermont and passionate about native plant conservation, this species could be a meaningful addition to your landscape – but with a big caveat. Given its rarity, you should only consider planting tissueleaf hawthorn if you can source it responsibly from reputable native plant nurseries or conservation organizations.

Never collect this plant from the wild. With such a limited natural population, every specimen in its native habitat is precious.

Growing Conditions and Care

While specific growing requirements for Crataegus membranacea aren’t well-documented due to its rarity, we can make educated guesses based on other hawthorn species and its native range:

  • Hardiness: Likely hardy in USDA zones 4-6, given its Vermont and Connecticut range
  • Sunlight: Probably prefers full sun to partial shade
  • Soil: Most hawthorns adapt to various soil types but prefer well-drained conditions
  • Water: Likely drought-tolerant once established, typical of hawthorn species

Landscape Role and Design Ideas

In the right setting, tissueleaf hawthorn could serve as:

  • A conservation showcase in native plant gardens
  • Part of a northeastern heritage landscape
  • A conversation starter about regional plant conservation
  • Wildlife habitat for local birds and pollinators (when flowers and fruits are present)

The Bottom Line

Tissueleaf hawthorn isn’t a plant for every garden or every gardener. Its rarity makes it more of a conservation project than a typical landscape choice. If you’re drawn to this species, consider it a chance to participate in preserving regional botanical diversity – just make sure you’re doing it responsibly.

For most northeastern gardeners interested in native hawthorns, consider more common species like downy hawthorn (Crataegus mexicana) or black hawthorn (Crataegus douglasii) that offer similar benefits without the conservation concerns.

Sometimes the most valuable plants aren’t the showiest ones – they’re the quiet survivors that need our help to keep existing in our rapidly changing world.

Tissueleaf Hawthorn

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Crataegus L. - hawthorn

Species

Crataegus membranacea Sarg. - tissueleaf hawthorn

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