Desfran by Dutch Passion is a towering, near-pure sativa for growers who want huge plants, XXL yields, and an energetic, uplifting high. Built from Destroyer x Destroyer genetics, it is a feminized photoperiod plant with a 15-20% THC level, a tropical, grape-sweet, fruity flavor, and a focused, energizing effect. It grows very tall with a long 9-12 week bloom, and outdoors in a warm climate it is a genuine giant, which is its main appeal.
This is a feminized photoperiod strain, not an autoflower, so it flowers when you shorten the light cycle and gives you full control over veg length, training, and cloning. The figures below are the breeder’s values; check your own pack for the exact numbers.
Recommended Strains
DesfrƔn
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THC | 15% - 20% (Medium) |
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Lineage | Destroyer X Destroyer |
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Type | Feminized |
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Height | 7.38 ft | 2.25 m |
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Yield | High |
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Yield Indoor | 1.8 oz/ftĀ² | 550 g/mĀ² |
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Yield Outdoor | 24.69 oz/plant | 700 g/plant |
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Flowering Time | 9 - 12 weeks |
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Phenotype | 10% Indica / 90% Sativa |
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Effects | Focused, Uplifted, Energetic |
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Flavors | Grape, Sweet, Fruity, Tropical |
Passion #1
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THC | 15% - 20% (Medium) |
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Lineage | Californian Indica |
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Type | Feminized |
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Height | 8.2 ft | 2.5 m |
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Yield | High |
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Yield Indoor | 1.64 oz/ftĀ² | 500 g/mĀ² |
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Yield Outdoor | 26.46 oz/plant | 750 g/plant |
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Flowering Time | 7 - 9 weeks |
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Phenotype | 50% Indica / 50% Sativa |
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Effects | Relaxed, Energetic, Tingly, Uplifted |
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Flavors | Citrus, Fruity |
Desfran Grow Info
| Trait | Desfran (Dutch Passion) |
| Genetics | Destroyer x Destroyer |
| Seed type | Feminized photoperiod |
| Genetic profile | 10% indica / 90% sativa |
| THC | 15-20% (medium) |
| Flowering time | 9-12 weeks |
| Height | Very tall, around 2.25 m |
| Indoor yield | High, around 550 g/mĀ² |
| Outdoor yield | XXL, around 700 g per plant |
| Effects | Focused, uplifted, energetic |
| Flavor | Grape, sweet, fruity, tropical |
These are Dutch Passion’s published figures for Desfran at Growlantis. When you need an exact THC percentage, height, or yield, check the specification on your own Desfran seed pack.
What Makes Desfran Worth Growing
Desfran is a specialist’s sativa. Its Destroyer heritage delivers an energetic, focused, uplifting high and a distinctive tropical flavor of grape and sweet fruit, a combination that stands out from the usual citrus and diesel sativas. At 15-20% THC it is potent without being overwhelming, keeping the high clear and functional.
Its biggest draw is sheer size and yield. It is a towering plant that reaches well over two meters and returns XXL harvests, around 700 g per plant outdoors and a strong 550 g/mĀ² indoors. For an experienced grower with the vertical space and a long season, few strains reward you with this much plant and this much flower.
Is Desfran Indica or Sativa?
Desfran is a near-pure sativa, listed at 90% sativa and 10% indica, from its Destroyer x Destroyer lineage.
That makes it one of the most sativa-leaning strains you can grow, with everything that implies. The effect is energetic, focused, and uplifting, a true daytime high with little sedation. The plant is tall, stretchy, and vigorous with the long flowering time typical of pure sativas, so it demands space, patience, and real height management.
Flowering Time vs Full Grow Time
Because Desfran is a photoperiod strain, these two numbers are separate, and mixing them up is especially important with a long-flowering sativa like this.
- Flowering time: 9-12 weeks. This is the bloom stage, which starts only when you switch the lights to 12/12 indoors (or when days shorten outdoors). It is a long bloom, so plan for it.Ā
- Full grow time (seed to harvest): flowering plus however long you veg. Because of the long bloom, indoors a typical grow runs around 5 months or more from seed.Ā
The practical point: you control the total time by choosing your veg length, but with this strain keep veg short, because it stretches enormously in flower. Outdoors, due to the long bloom, expect a late finish, often around late October.
Does Desfran Need a 12/12 Light Cycle?
Yes. Desfran is a photoperiod strain, so indoors it needs a 12/12 light cycle (12 hours on, 12 hours off) to start and maintain flowering.
With a plant this tall and stretchy, the flip timing is critical. Keep veg short and flip to 12/12 while the plant is still small, because it can easily double or triple in height during the long flowering stretch. Outdoors, shortening late-summer days trigger flowering, though its long bloom means a late harvest.
Desfran Grow Timeline, Week by Week
Treat this as a development pattern, not a fixed schedule, and keep veg short to control the extreme stretch.
- Weeks 1-2: germination and seedling. The taproot and first true leaves establish. Keep humidity up and feeding minimal.Ā
- Weeks 2-4: a short vegetative stage. Keep veg brief under 18/6 because of the huge flowering stretch. Start training early.Ā
- Week 0 of flower: the flip. Switch to 12/12 while the plant is still small.Ā
- Weeks 1-4 of flower: major stretch and bud set. Expect dramatic vertical growth before flower sites form.Ā
- Weeks 5-11 of flower: bud development. Long, airy sativa colas fill out and the tropical grape aroma builds.Ā
- Weeks 9-12 of flower: ripening and harvest. Judge by trichomes; this long bloom tests patience.Ā
Choosing Your Setup: Space, Light and Pots
Desfran is very tall, around 2.25 m, with an extreme flowering stretch, so vertical space and height control are the defining challenges. Keep veg short, flip early, and use a SCROG net and heavy low stress training to manage its size indoors. Many growers find it better suited to a greenhouse or outdoors.
Give it strong light to fill out its long colas through the extended bloom. A full-spectrum LED at 30-40 watts per square foot over the flowering canopy keeps the buds developing. Add a good inline exhaust fan and a carbon filter.
For pots, 5 gallon or larger containers suit this big plant, scaled up outdoors. Fabric pots improve root airflow and help prevent overwatering.
Germinating and Raising Seedlings
The paper towel method is the simple, reliable start. Soak the seeds for 12-24 hours, then place them between damp paper towels on a covered plate, kept dark and warm at 70-85Ā°F (21-29Ā°C). A taproot usually appears within two to three days.
When the taproot reaches about 1-2 cm, plant it root-down a knuckle deep in a light mix and keep the surface moist until the seedling emerges. Hold off on nutrients at this stage. New to growing? Our beginner growing guides cover germination step by step.
The Vegetative Stage, Topping and Training
With Desfran, veg strategy is all about controlling height. Keep the vegetative stage short under 18/6, because this near-pure sativa stretches enormously once you flip. A long veg will give you an unmanageable plant indoors.
Topping early is strongly recommended to create multiple colas and a wider, lower profile rather than one giant central spire. Combine it with aggressive low stress training and a SCROG net to keep the canopy flat and under control. This is also the stage to take clones: cut from a healthy plant in veg to preserve a phenotype you like, since photoperiods clone reliably. Train hard and early, and finish before the flip.
Feeding and Watering Desfran
Feed to the stage. Use a nitrogen-forward base through the short veg, then move to a bloom formula higher in phosphorus and potassium once you flip to 12/12 and buds form. A big plant on a long bloom needs steady feeding, but start moderate and increase based on how the plant responds rather than overfeeding early.
Water by root-zone moisture, not a timetable. Let the top inch or two of medium dry between waterings, then water thoroughly until a little drains. A large plant drinks heavily, so monitor it closely. Fabric pots and this water-to-weight habit keep the roots healthy and prevent overwatering.
Flowering and Knowing When to Harvest
Once you flip to 12/12, expect a dramatic stretch, then long, airy sativa colas fill out over the long 9-12 week bloom. The tropical grape and sweet fruit aroma develops, so keep air moving and run a carbon filter indoors.
Patience is essential with this bloom. Let ripeness, not the calendar, decide the harvest: check the trichomes under a loupe and cut when most are cloudy with a few turning amber. After harvest, hang the branches in the dark at about 60Ā°F (15-16Ā°C) and 55-60% humidity for 7-14 days, then cure in sealed jars, burping daily for the first couple of weeks to protect the tropical flavor.
Growing Indoors vs Outdoors
Indoors, Desfran is a challenge that rewards experienced growers. Its height demands a short veg, an early flip, heavy training, and a SCROG net, but done right it yields a strong 550 g/mĀ² through the long bloom.
Outdoors or in a greenhouse is where it truly belongs. In a warm climate with a long season, it reaches its full towering size and returns XXL harvests of around 700 g per plant, usually finishing late, around late October, because of its long bloom. Give it full sun, deep rich soil, and plenty of room.
How Tall and How Much? Height and Yield
Height is the single most important factor with Desfran. It reaches around 2.25 m and stretches dramatically in flower, so indoors you must keep veg short, flip early, and train hard. Outdoors, give it full vertical freedom.
On yield it is an XXL producer, listed at around 550 g/mĀ² indoors and 700 g per plant outdoors. Strong light, a well-managed canopy, a long season, and patience through the extended bloom are what turn that huge potential into real weight.
Best US Climates for Desfran
Desfran is built for a warm climate with a long growing season, since its 9-12 week bloom pushes the outdoor finish to late October. Growers in California, the Southwest, and the warmest Southern states can give it the season and sun it needs to reach full size outdoors.
In shorter-season or cooler states, it is best grown indoors or in a greenhouse where you control the environment and can commit to the long bloom and height management. In the humid Southeast, keep strong airflow through the big canopy. For more options, browse our full how-to-grow guide library.
Common Problems When Growing Desfran
A few predictable, sativa-specific issues are easy to head off.
Extreme flowering stretch
This is the biggest challenge. Keep veg short, flip early, top, and train hard to a net, or the plant will outgrow an indoor space entirely.
Impatience with the long bloom
At 9-12 weeks it tests patience. Harvesting early sacrifices yield and potency, so read the trichomes and wait for a mature finish.
Airy sativa buds and rot risk
Long sativa colas can trap moisture in humid conditions. Keep strong airflow through the canopy and humidity moderate in late flower.
Running out of vertical space indoors
Plan your height budget before you start. If you cannot keep it controlled, this strain is better suited to a greenhouse or outdoors.
Making the Most of Your Harvest
Do not waste the trim. The resinous sugar leaves make good bubble hash, dry sift, or rosin that keeps the tropical grape character. The stems, roots, and fan leaves compost well and feed your next grow.
Is Desfran Right for You?
If you are an experienced grower with the space and a long season, and you want a towering, XXL-yielding sativa with a unique tropical grape flavor and an energetic high, yes. It is a rewarding specialist strain. If you have limited height, a short season, or want a fast, compact plant, it is not the right choice. Browse our full how-to-grow guide library for more.
Frequently Asked Questions
Is Desfran indica or sativa?
Desfran is a near-pure sativa, listed at 90% sativa and 10% indica, from its Destroyer x Destroyer lineage. The effect is energetic, focused, and uplifting, a true daytime high with little sedation. The plant is tall, stretchy, and vigorous with the long flowering time typical of pure sativas, so it demands space, patience, and serious height management.
How long does Desfran take to flower?
Desfran flowers in 9 to 12 weeks, a long bloom typical of near-pure sativas. Total seed-to-harvest time, with a necessarily short veg, runs around 5 months or more indoors. Outdoors it finishes late, often around late October. Patience pays off, so judge the finish by trichome maturity rather than the calendar for full yield and potency.
Does Desfran need a 12/12 light cycle?
Yes. Desfran is a photoperiod strain, so indoors it needs a 12/12 light cycle to flower. With a plant this tall and stretchy, flip timing is critical: keep veg short and flip while it is still small, since it can double or triple in height during the long flowering stretch. Outdoors, shortening late-summer days trigger flowering.
How much does Desfran yield?
Desfran is an XXL producer, listed at around 550 g/m2 indoors and 700 g per plant outdoors in a warm, long-season climate. Strong light, a short veg, heavy training to control height, a long season, and patience through the extended bloom are what turn that huge potential into real weight of long sativa colas.
How tall does Desfran grow?
Desfran is very tall, reaching around 2.25 m, and it stretches dramatically during its long flowering stage. Indoors this makes height management the defining task: keep veg short, flip to 12/12 early, top the plant, and train hard to a SCROG net. For many growers it is better suited to a greenhouse or outdoors where it has room.
How strong is Desfran?
Desfran is moderately potent at 15 to 20% THC, listed as medium. The effect is energetic, focused, and uplifting, a clear, functional daytime high rather than a sedative one, true to its near-pure sativa genetics. Its standout tropical grape and sweet fruit flavor sets it apart from the more common citrus and diesel sativas.
What does Desfran taste like?
Desfran has a distinctive tropical flavor of grape and sweet fruit, unusual for a sativa. To protect those terpenes, run a carbon filter in flower, dry slowly at around 60Ā°F with moderate humidity, and cure in sealed jars, burping daily for the first two weeks. A careful cure keeps the tropical grape notes sweet and full.
