Porterweed
AVAILABLE IN-STORE ONLY. This seasonal item is most commonly in stock during spring and summer, but availability may vary. Please call or visit your local store to check current availability.
Delivery and Shipping
Delivery and Shipping
Delivery timeframes are estimates and are not guaranteed. Please note that delivery is to the end of the truck only and does not include installation. For additional details, please review our full Shipping and Delivery Policy.
Stachytarpheta spp., commonly known as porterweed, is a fast-growing flowering perennial prized for its long, slender flower spikes that bloom continuously in shades of purple, blue, pink, or red. One of the best plants for attracting butterflies, bees, and hummingbirds, porterweed thrives in the heat and humidity of North Florida and South Georgia, making it an excellent choice for pollinator gardens and landscapes.
Care Needs:
• Light: Full sun to partial sun
• Water: Water regularly until established; once established, water during extended dry periods
• Pruning: Trim lightly throughout the growing season to maintain shape and encourage continuous blooming; cut back after frost if needed
• Fertilizer: Apply a balanced, slow-release fertilizer in early spring and again in midsummer if needed
Attributes
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Plant TypePerennial
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USDA Zone8 - 11
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OriginFlorida, the Caribbean, Central and South America
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ToxicityNot known to be toxic
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Mature Height2-5 ft
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Mature Width2-4 ft
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Soil PreferenceWell-drained soil; adaptable to sandy soils
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Spacing24-36 in
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Growth RateFast
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Critter ResistantSomewhat
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Salt ToleranceModerate
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Cold ToleranceLow
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FloweringYes
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Bloom PeriodSpring through fall
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Flower ColorBlue | Purple | Pink | Red
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Stem ColorGreen to purplish
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Foliage ColorGreen


