perennial flower
Henry Duelberg salvia
A tough salvia for hot sunny beds in the South and southern Plains.
Plant by ZIP verdict
How this plant fits in a real garden
Reviewed against extension guidance and written for practical ZIP-based garden decisions.
Henry Duelberg salvia is mainly a warm-climate and heat-performance plant. It belongs where summer heat, sun, and drainage fit; in colder ZIPs it should be treated as marginal, seasonal, or container-grown.
Best fit
- Zones 7b through 10b where full sun and low water once established match the site.
- Southern, Gulf Coast, Florida, or hot urban gardens that need plants proven in heat.
- Pollinator or curb-appeal beds where long warm-season display is more important than cold-climate hardiness.
Use caution
- Cold snaps near the edge of the range can kill top growth or the whole plant.
- Do not overwater dry-site plants just because summer is hot.
- Confirm local invasive or toxicity concerns before planting near natural areas or edible beds.
Regional notes
- In hot humid ZIPs, give plants enough spacing for airflow and avoid wet crowns.
- In dry southern or western ZIPs, deep establishment watering matters more than frequent shallow watering.
- In colder ZIPs, treat this as a container or annual unless local extension guidance says it is reliably hardy.
Comparison note: Compared with temperate perennials, Henry Duelberg salvia is more useful where summer heat is the design problem and winter hardiness is secondary.
Growing Profile
- Hardiness
- Zones 7b-10b
- Sun
- Full
- Soil
- SandyLoam
- Water
- Low
- Deer pressure
- Not rated No deer-resistance category is assigned yet; treat browsing risk as local and variable.
- Black walnut
- Not rated No black-walnut cue is assigned yet; verify placement if planting inside a walnut root zone.
- Planting depth
- Set the crown at the same level it grew in the nursery pot.
- Container min
- 2+ gal (good)
- Goals
- Pollinators & wildlifeCurb appeal & color
Harvest & Use
- Window
- blue flower spikes through warm weather
- Output
- 3-8 weeks of bloom/year
- First output
- 0-1 yrs
- Best for
- Pollinators & wildlifeCurb appeal & color
Timing: blue flower spikes through warm weather. This profile tracks 3-8 weeks of bloom/year with a harvest or display window of 3-8 weeks where defensible.
Quick answers
Spacing, Yield, and Growing Answers
Direct planning answers for common grower searches, backed by the sourced profile data where available.
How far apart should you plant Henry Duelberg salvia?
Plant Henry Duelberg salvia at 1-3 ft apart. Adjust this starting point for trellises, hedges, rootstock, containers, pruning style, or local extension guidance.
How much does Henry Duelberg salvia produce?
Henry Duelberg salvia output is modeled as 3-8 weeks of bloom/year. Treat that as a planning range, because weather, soil, watering, pruning, pests, and local pressure can change the real result.
How long does Henry Duelberg salvia take to produce?
Henry Duelberg salvia usually reaches first useful harvest or display in 0-1 yrs under suitable conditions.
How do you grow Henry Duelberg salvia?
Grow Henry Duelberg salvia in USDA zones 7b-10b with full light, sandy, loam soil, and low water. Use 1-3 ft apart for layout planning. Match the plant to drainage, heat, chill, and pest pressure before scaling up.
Can Henry Duelberg salvia grow in a container?
Henry Duelberg salvia can start with a container of about 2+ gal (good). Larger containers usually buffer heat and moisture swings better than the minimum.
Plant photos
What it looks like in the garden
Use these photos to compare the plant's leaves, stems, flowers, fruit, and overall habit before you buy or plant.
Representative photo used for initial catalog coverage. Replace with a verified species or cultivar photo when available.
Photo sources: MOs810 / Wikimedia Commons (CC BY-SA 4.0)
Quantitative Profile
- Full output
- 1-2 yrs
- Mature size
- 1-5 ft H x 1-3 ft W
- Spacing
- 1-3 ft apart
- Planting depth
- Set the crown at the same level it grew in the nursery pot.
- Container min
- 2+ gal (good)
- Productive life
- 3-10 yrs
- Difficulty
- 1/5
- Reliability
- 4/5
- Data quality
- Low profile, No pound-yield source
Pound return is the stock-style yield metric. These are planning ranges for comparing plants, not guarantees. Cultivar, rootstock, climate, soil, pruning, pest pressure, and wildlife can move actual results.
Planting Checklist
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Right-size container with drainage
Containers / Before plantingUse a container large enough for mature roots, with open drainage holes to prevent root rot.
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Expanding container potting mix
Containers / Before plantingUse a lighter container medium instead of dense garden soil in pots and grow bags.
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Organic mulch
Soil / After plantingHold soil moisture, suppress weeds, moderate soil temperature, and protect shallow roots.
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Hand trowel
Tools / Planting dayPlant starts, herbs, flowers, bulbs, and smaller container plants at the right depth.
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Finished compost
Soil / Bed prepImprove bed structure and organic matter before planting annuals, perennials, shrubs, and trees.
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Watering wand or can
Watering / Planting dayWater new transplants gently without washing soil away from the crown or roots.
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Rabbit or deer protection
Protection / After plantingGuard young edible, native, and ornamental plants until they can tolerate browsing.
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Bypass pruners
Maintenance / First seasonMake clean cuts for harvesting, deadheading, shaping, and light pruning.
Planting Strategy
- Planting depth: Set the crown at the same level it grew in the nursery pot.
- Container minimum: 2+ gal (good). Use 2+ gal per plant, or wider mixed containers with similar water needs.
- Start with one plant when testing fit in a new bed or container.
Risk Factors
- Match the site first: full light, sandy, loam soil, and low water.
- Use 1-3 ft apart as the first spacing model; adjust for hedges, trellises, containers, or local guidance.
- Plan around mature size: 1-5 ft H x 1-3 ft W.
- Quantitative data quality is low for this record; verify before buying or planting at scale.
- Local drainage, pests, chill hours, wildlife pressure, and microclimates can change the result.
Related Planning Guides
Comparable Plants
Sources & Methodology
This guide combines hardiness range, light, soil, water, harvest timing, traits, supplier links, plant relationships, and quantitative planning metrics. Pairings are screened for practical garden fit.
Quantitative values use extension and botanical-reference ranges where available. For less-studied cultivars, similar crops fill gaps conservatively. Ranges are intentionally broad so the profile stays useful without pretending to be exact.
Planning sources: NC State Extension Gardener Plant ToolboxMissouri Botanical Garden Plant FinderK-State Extension Master Gardener Handbook - Herbaceous PlantsUniversity of Maryland Extension - Types of Containers for Growing VegetablesIllinois Extension - Growing Vegetables in Containers
Editorial sources: Texas Superstar: Henry Duelberg SalviaTexas A&M AgriLife: Texas Superstar Plants
Supplier search: Amazon. Search links are not paid placements unless explicitly marked; affiliate listings may earn a commission. Last reviewed: 2026-07-09.