Nicotiana sanderae Seeds | Sander’s Tobacco
LATIN NAME: Nicotiana sanderae
COMMON NAME: Sander’s Tobacco
Plant Profile
The most memorable trait of Nicotiana sanderae is its timetable. The trumpets stay shut and nearly scentless through the heat of the day, then in the last hour of light they open wide and release a sweet, heavy perfume that pulls night-flying hawkmoths out of the dark. A border planted with Sander’s tobacco smells ordinary at noon and turns intoxicating at dusk, which is exactly why it belongs in the evening garden rather than the cutting bench.
Although it shares the genus with the commercial tobacco Nicotiana tabacum, this is an ornamental bred for flowers, not leaves. The plants are upright and branched with broad soft foliage, and the trumpets come in white, crimson, rose and pink rather than the uniform dull bells of the field crop. The name honours the nurseryman Sander, whose firm popularised the hybrid in European gardens at the turn of the last century.
The foliage is covered in glandular hairs that feel clammy and release a green, resinous smell when bruised. That stickiness is the plant’s defence and also the reason the leaves, not the flowers, carry the genus’s signature alkaloids.
Science & Biotechnology
Phytochemistry in Nicotiana is dominated by pyridine alkaloids, with nicotine the best known, joined by nornicotine and anatabine in varying amounts across the genus. In the ornamental tobaccos the leaf concentration is far lower than in N. tabacum, but the alkaloid pathway is the same one that makes the whole genus a model for plant chemistry. The floral scent itself rests on volatile esters and benzyl derivatives that peak at night.
Sander’s tobacco is valued by flower breeders for its free branching, its range of trumpet colours and its tolerance of warm nights, which let it keep blooming when many annuals stall. It has been crossed repeatedly with other ornamental Nicotiana types to widen the colour spread and shorten the plant for patio pots.
The dusk scent is a blend of small aromatic compounds rather than a single molecule, and breeders select for intensity the way they select for petal colour. The result is a plant whose perfume is as much a cultivar trait as its hue.
Uses & Benefits
The corolla is drawn out into a slender tube that a bee cannot easily work but a hawkmoth can probe with a long proboscis, a classic example of a flower shaped by its pollinator. The same long-tube form shows up across night-scented Nicotiana species and is the clearest field mark separating the ornamental tobaccos from their day-opening relatives.
Use Sander’s tobacco at the front of a mixed border where the evening perfume can be enjoyed, or mass it along a path and a seating area. The cut flowers last reasonably in water if cut at dusk and stripped of lower leaves, and the airy habit pairs well with low mounds of grey foliage.
White and palest-pink forms glow under garden lighting and set off blue and silver neighbours, while the crimson forms read as deep jewels in low light. Avoid crowding them with heavy-foliaged plants that would block the rising scent.
Because the leaves belong to a solanaceous genus, it is sensible to wash hands after working with the plants and not to treat the ornamental tobacco as an edible herb. The flowers are grown for the eye and the nose, not the table.
Growing from Seed
Sow the fine seed on the surface of a moist seed mix and press it in without covering, since light helps the seedlings start. Warmth and steady moisture bring the first leaves quickly, and the young plants are moved on once they have a couple of true leaves. Set them out only after the cold nights are past, as the plants hate a check from chill.
Because the seed is tiny, a skim of vermiculite over the tray keeps it from washing away while still letting light reach it. Thin the seedlings early so the strongest grow on without competition.
Transplant to the open ground when the plants are stocky with several true leaves, setting them far enough apart for air to move through the canopy. Growers widening a night garden will find useful relatives in our pages on Tobacco seed, Brugmansia suaveolens and Datura stramonium.
Our Take
Plant Sander’s tobacco where you actually sit in the evening, not where you walk at lunch. The whole point of the species is a scent you only get after sunset, and a row tucked by the door will repay you every warm night of the season.
Related Reading
More species in the same orbit as Sander’s Tobacco: