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Florida Pennyroyal (Piloblephis rigida), Shrub

Varieties We Bring In

StandardPiloblephis rigida
Sizes & Pricing
1 galFrom$9.95

Last received Jul 19, 2026.

We bring this in seasonally, so what is on the lot changes week to week. A received date shows when it last came in, not that it is here today.

Call (904) 471-0440 to confirm this plant and size before you make the trip.

LightFull Sun
WaterLow
Salt toleranceHigh
Mature size8-12 inches × 12-18 inches

Pet toxicity: Non-toxic to dogs and cats

Pet safety guide

About Florida Pennyroyal

Florida pennyroyal (Piloblephis rigida) is a low-growing, aromatic native shrub endemic to Florida's scrub and sandhill habitats, with needle-like leaves that are intensely fragrant when crushed and small lavender to pink flowers that attract native bees. It is the sole species in its genus and an important plant in Florida's dry, fire-maintained upland ecosystems.

Plant details

Bloom Season
Spring, Summer, Fall, Winter
Flower Color
Purple
Growth Rate
Slow
Foliage
Evergreen
Soil
Sandy, Well-drained

Best planting months

Recommended forZone 9b · St. Augustine, FL

Recommended months: March, April, May, October, November.

January, other month
February, other month
March, good window
April, good window
May, good window
June, other month
July, other month
August, other month
September, other month
October, good window
November, good window, this month
December, other month
This monthGood windowOther months

Seasonal care

Bloom season. Good planting window.

Care essentials

Light

Requires full sun in dry, open sites; mimics its native scrub and longleaf pine sandhill habitat. NE Florida gardens should site this plant in the sunniest, most exposed position to maximize flowering and plant vigor.

Water

Extremely drought tolerant; established plants rarely need supplemental irrigation in NE Florida's sandhill or scrub conditions. Wet soil or poor drainage will quickly cause decline — avoid all but the fastest-draining sites.

Soil & Fertilizer

Demands dry, nutrient-poor, acidic sandy soil matching its scrub and sandhill native habitat. Do not amend with organic matter or fertilize; rich conditions promote competing weeds and shorten plant lifespan. Replace plants every 3–5 years as needed.

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Common questions

Is Florida Pennyroyal a good plant for St. Augustine?

Florida Pennyroyal is a shrub. Mature size: 8-12 inches × 12-18 inches. Light: Full Sun. Water needs: Low. Florida Pennyroyal is native to Florida. Recorded hardiness zone: 9a. Recorded salt tolerance: high.

What is the recorded pet toxicity for Florida Pennyroyal?

Non-toxic to dogs and cats

Care information verified from

Last reviewed February 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.