North America Native Plant

Bastard Stopper

Botanical name: Petitia domingensis

USDA symbol: PEDO

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Bastard Stopper: A Lesser-Known Native Shrub for Warm Climate Gardens If you’re looking to add some authentic Caribbean flair to your Florida or tropical garden, you might want to get acquainted with bastard stopper (Petitia domingensis). Don’t let the unfortunate common name fool you – this native shrub has some ...

Bastard Stopper: A Lesser-Known Native Shrub for Warm Climate Gardens

If you’re looking to add some authentic Caribbean flair to your Florida or tropical garden, you might want to get acquainted with bastard stopper (Petitia domingensis). Don’t let the unfortunate common name fool you – this native shrub has some genuinely appealing qualities that make it worth considering for the right garden situation.

What is Bastard Stopper?

Bastard stopper is a perennial shrub that’s truly native to the American tropics. This multi-stemmed woody plant calls Florida, Puerto Rico, and the U.S. Virgin Islands home, making it a legitimate choice for gardeners wanting to support local ecosystems with indigenous plants.

As a typical shrub, bastard stopper usually stays under 13-16 feet tall, though it can reach up to 43 feet at maturity under ideal conditions – and potentially up to 64 feet after 20 years. It tends to form thickets, so give it some room to spread if that’s the look you’re going for.

Geographic Distribution

You’ll find bastard stopper naturally growing in Florida, Puerto Rico, and the Virgin Islands, where it has adapted to the warm, tropical and subtropical conditions of these regions.

Why Consider Growing Bastard Stopper?

Here are some reasons this native shrub might earn a spot in your landscape:

  • Year-round interest: This evergreen shrub stays active throughout the year, maintaining its green foliage in all seasons
  • Attractive features: White flowers provide seasonal interest, followed by conspicuous red fruits
  • Native plant benefits: Supporting local ecosystems by choosing indigenous species
  • Moderate foliage density: Provides screening without being too dense
  • Adaptable to different soil types: Tolerates both coarse and fine-textured soils

Growing Conditions and Care

Bastard stopper is definitely a warm-weather plant. Here’s what it needs to thrive:

Climate Requirements:

  • Needs 365 frost-free days per year (so basically, no frost tolerance)
  • Minimum temperature of 40°F
  • Best suited for USDA zones 10-11

Soil and Site Conditions:

  • Soil pH between 6.0-8.5 (quite adaptable!)
  • Works in coarse or fine-textured soils, but not medium-textured
  • Medium calcium carbonate tolerance
  • Requires full sun – it’s intolerant of shade
  • Needs at least 36 inches of root depth

Fertility and Maintenance:

  • Medium fertility requirements
  • Low tolerance for hedging, so avoid frequent pruning
  • No resprout ability, so be gentle with maintenance

Planting and Propagation

Growing bastard stopper from seed is your best bet, as it doesn’t propagate well through other methods like cuttings or bare root. With about 132,717 seeds per pound, a little goes a long way! The plant blooms in summer and produces fruit year-round, with seeds that persist on the plant.

Plan for a planting density of 320-640 plants per acre if you’re planning a larger installation.

The Reality Check

Here’s the honest truth about bastard stopper: it’s not the easiest plant to find in the nursery trade. As a lesser-known native, you might need to seek out specialty native plant nurseries or propagate it yourself from seed. Additionally, its specific requirements (no frost, full sun, particular soil preferences) mean it’s really only suitable for gardeners in the warmest parts of Florida and similar tropical climates.

If you’re in the right climate zone and interested in supporting native biodiversity, bastard stopper could be an interesting addition to a naturalistic landscape or native plant garden. Just don’t expect it to be your typical low-maintenance landscape shrub – this one has some particular needs that require attention.

Final Thoughts

Bastard stopper represents one of those native plants that’s more about ecological authenticity than mainstream garden appeal. If you’re passionate about native plants and have the right growing conditions, it could be a unique addition to your landscape. However, if you’re looking for an easy-care shrub with broad adaptability, you might want to consider other native options that are more readily available and forgiving.

For gardeners committed to native plant gardening in tropical zones, bastard stopper offers a chance to grow something truly indigenous to the region – just be prepared for the adventure of finding and growing this lesser-known species.

How

Bastard Stopper

Grows

Growing season

Year Round

Lifespan
Growth form & shape
Growth rate
Height at 20 years

64

Maximum height

43.0

Foliage color

Green

Summer foliage density

Moderate

Winter foliage density

Moderate

Foliage retention

Yes

Flowering

Yes

Flower color

White

Fruit/seeds

Yes

Fruit/seed color

Red

Allelopath

No

Nitrogen fixing

None

Toxic
C:N Ratio
Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Bastard Stopper

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

No

Adapted to Fine Soil

Yes

Anaerobic tolerance
CaCO₃ tolerance

Medium

Cold Stratification

No

Drought tolerance
Nutrient requirement

Medium

Fire tolerance
Frost-free days minimum

365

Hedge tolerance

Low

Moisture requirement
pH range

6.0 to 8.5

Plants per acre

320 to 640

Precipitation range (in)
Min root depth (in)

36

Salt tolerance
Shade tolerance

Intolerant

Min temperature (F)

40

Cultivating

Bastard Stopper

Flowering season

Summer

Commercial availability
Fruit/seed abundance
Fruit/seed season

Year Round to Year Round

Fruit/seed persistence

Yes

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

No

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

132717

Seed spread rate
Seedling vigor
Small grain

No

Vegetative spread rate

Bastard Stopper

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

Lamiales

Family

Verbenaceae J. St.-Hil. - Verbena family

Genus

Petitia Jacq. - petitia

Species

Petitia domingensis Jacq. - bastard stopper

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