Phenomenal

Family: Lamiaceae Herb

Planting Schedule

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Breathe in the first bloom of Phenomenal Lavender—an aromatic rush of cool, floral lavender that lingers on warm air.

At maturity, its richly colored flower spikes rise with a poised, silvery grace, offering a crisp, dry-textured bouquet that holds its fragrance beautifully for sachets and dried arrangements. Grow Phenomenal for a long season of scent and an ornamental presence that turns borders and sunny beds into a fragrant, living landscape.

Light: Full SunMaturity: 90 DaysHabit: Upright

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Phenomenal Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Apr 20th	Aug 10th	Nov 8th – Jul 15th
Zone 1b	Apr 6th	Jul 27th	Oct 25th – Aug 1st
Zone 2a	Mar 30th	Jul 20th	Oct 18th – Aug 29th
Zone 2b	Mar 20th	Jul 10th	Oct 8th – Aug 25th
Zone 3a	Mar 20th	Jul 10th	Oct 8th – Sep 1st
Zone 3b	Mar 24th	Jul 14th	Oct 12th – Sep 21st
Zone 4a	Mar 20th	Jul 10th	Oct 8th – Sep 24th
Zone 4b	Mar 18th	Jul 8th	Oct 6th – Sep 27th
Zone 5a	Mar 13th	Jul 3rd	Oct 1st – Sep 30th
Zone 5b	Mar 9th	Jun 29th	Sep 27th – Oct 5th
Zone 6a	Mar 6th	Jun 26th	Sep 24th – Oct 10th
Zone 6b	Feb 28th	Jun 20th	Sep 18th – Oct 16th
Zone 7a	Feb 23rd	Jun 15th	Sep 13th – Oct 20th
Zone 7b	Feb 13th	Jun 5th	Sep 3rd – Oct 28th
Zone 8a	Feb 4th	May 27th	Aug 25th – Nov 5th
Zone 8b	Jan 26th	May 18th	Aug 16th – Nov 12th
Zone 9a	Jan 9th	May 1st	Jul 30th – Nov 26th
Zone 9b	Dec 15th	Apr 6th	Jul 5th – Dec 9th
Zone 10a	—	Oct 1st	Dec 30th – Feb 28th
Zone 10b	—	Oct 1st	Dec 30th – Feb 28th
Zone 11a	—	Oct 1st	Dec 30th – Feb 28th
Zone 11b	—	Oct 1st	Dec 30th – Feb 28th
Zone 12a	—	Oct 1st	Dec 30th – Feb 28th
Zone 12b	—	Oct 1st	Dec 30th – Feb 28th
Zone 13a	—	Oct 1st	Dec 30th – Feb 28th
Zone 13b	—	Oct 1st	Dec 30th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	65
Min Soil Temp (°F)	60
Min Night Temp (°F)	40
Harden Off (days)	7

Culinary Notes

Chef's Note

This cultivar reads like perfume in edible form—cool, floral, and lingering—so it shines when you steep (milk/syrup) or bake in small, controlled doses. Use it sparingly because too much turns from aromatic to soapy fast, especially in hot preparations.

Best Uses

infuse milk or cream for custards and ice cream
steep for a clean lavender syrup or simple syrup
bake into shortbread and sugar cookies for a restrained perfume
dried-lavender sachet infusions for cocktails and infused salts (remove before serving)

Flavor Profile

cool, concentrated floral aroma dry, slightly resinous sweetness lightly minty, perfumed finish crisp aromatic texture when dried

Kitchen Pairings

honey lemon zest vanilla dark chocolate almond white chocolate

Frequently Asked Questions

What pest or disease most commonly affects Lavandula × intermedia, and how do I treat it?

In Lavandula × intermedia, root and stem issues from overly wet soil commonly show up as crown rot (wilting, darkened stems near the base). Remove any visibly rotting parts, improve drainage immediately, and water only when the top 2–3 cm of soil is dry; avoid wetting the foliage. If you see persistent fungal growth or repeated symptoms, cut back to healthy wood and switch to a well-draining mix (often with extra grit) to prevent recurrence.

How often should I water Lavandula × intermedia during the main growing phase?

During active growth, water deeply but infrequently—aim for roughly once every 7–14 days depending on heat—so water reaches the root zone and then drains away. Let the soil dry back to about 2–3 cm below the surface before watering again; lavender in Lamiaceae strongly dislikes consistently moist soil. In full sun, established plants often need less frequent watering, while newly planted starts may need a lighter cadence for the first few weeks.

How can I tell when Lavandula × intermedia is ready to harvest (about 90 days)?

Harvest when the flower spikes are mostly open but still show some buds that haven’t fully colored out—this timing usually produces the best fragrance for dried or bundled stems. You should be able to see clear bloom on the upper and middle parts of the spike while the bottom is just beginning to open. Cut stems early in the day, leaving 5–10 cm of foliage below the cut to encourage a strong second flush.