How to Grow Sour Lime Haze: 49-Day Haze Flowering Time

Name: How to Grow Sour Lime Haze: 49-Day Haze Flowering Time
Item: Sour Lime Haze
Rating: 4.5
Author: Grow Weed Fast

Grow Review · Dirty Bird Genetics

Type: Sativa-dominant hybrid · 60/40
Flowering: 49-56 days
Yield: Very high
Difficulty: Intermediate
Genetics: MMXX × Elmo's Army
Seed type: Feminized photoperiod

Grow it if you want haze effects without a haze-length flower. Skip it if staking and trellising feel like too much work. Sour Lime Haze compresses a 10 to 12 week haze flowering window into under eight weeks. That is rare enough to justify the extra support the colas demand. The lime-gas-pepper terp profile and very high yield make it one of the more productive sativa-leaning options for growers with limited tent space.

What we like

49 to 56 day flowering time is exceptionally fast for haze-family genetics
Very high yield with giant, dense, rounded colas
Medium height and dense structure suit small tents better than most haze hybrids
Lime-gas-pepper terpene profile offers a distinctive, non-dessert flavor

What to watch for

Extremely top-heavy colas require staking or trellising from early flower
Feminized photoperiod only, so no autoflower option for outdoor simplicity
Hybrid cross (not a stabilized backcross), so expect some phenotype variation between plants

Check availability at NASC

Sour Lime Haze by Dirty Bird Genetics

Most haze-family strains flower in 10 to 12 weeks. Sour Lime Haze from Dirty Bird Genetics finishes in 49 to 56 days. That is roughly half the wait for the same cerebral, energetic high and a terpene profile built around lime peel, gas, and black pepper. The tradeoff is structural: the colas get so heavy that staking or trellising is not optional.

Genetics

The cross is MMXX x Elmo’s Army. MMXX contributes structural density and compressed flowering. Elmo’s Army carries the haze lineage: it is a cross of Moose and Lobstah with Super Silver Haze, one of the most decorated sativa cultivars in breeding history.

Super Silver Haze was originally bred by Greenhouse Seeds from Skunk, Northern Lights, and Haze genetics. It is known for soaring cerebral effects and long flowering times (often 10 to 12 weeks). The breeding challenge with haze derivatives has always been preserving the terpene character and mental clarity while cutting the flowering window down to something practical. By crossing into the MMXX line, Dirty Bird got a 49 to 56 day indoor flower on a medium-height frame.

Sour Lime Haze is sold as feminized photoperiod seed. As a hybrid cross (not a stabilized backcross like Dirty Bird’s Dirty Mimosa Bx2), some phenotype variation between plants is expected.

Flowering time and grow notes

Indoor flowering takes 49 to 56 days. Outdoor harvest falls in late September to early October. For context, most haze-dominant strains flower in 70 to 84 days indoors, so this is a 30 to 40 percent reduction.

The plant stays medium height with high density. That makes it a better fit for tight tents than the tall, stretchy haze hybrids that usually dominate this genetic family.

The catch is structural support. The colas are extremely top-heavy, with giant, dense, rounded formations that will fold the main stem without intervention. Staking or trellising from week three of flower is not optional. A SCROG net set before the flip is the most reliable approach for keeping the canopy even and preventing cola snap.

The compressed flowering time and very high yield also make Sour Lime Haze a practical candidate for light-deprivation greenhouse setups. Growers running light-dep cycles in the Pacific Northwest or northern climates could realistically fit two rounds into a single outdoor season.

Terpene profile and aroma

The dominant note is lime peel, followed by a fuel or gas undertone and a peppery bite that sharpens the finish. This is a loud strain during flower and retains its intensity through curing and into the jar.

The lime-gas-pepper combination sits well outside the dessert-and-fruit trend that dominates current breeding. If you want something citrus-forward without the candy sweetness, this profile stands out. The pepper note suggests meaningful caryophyllene content, which often comes through as a slightly warming, spicy quality on the exhale.

Effects

The effect is an immediate mental pick-me-up with relaxation that avoids sedation, plus appetite stimulation as a secondary effect. Think daytime strain with a clean onset, no couchlock, and a functional plateau.

The sativa-dominant 60/40 split supports that. Haze-family genetics are historically associated with cerebral, energetic effects rather than the heavy body load of indica-leaning strains. The compressed flowering time does not appear to have traded away the mental clarity that makes hazes appealing.

Dirty Mimosa Bx2, for another Dirty Bird strain in the same 49 to 56 day window. It is a backcross with more phenotype stability, compact structure, and sour-gas terps. It comes in regular (M/F) seeds rather than feminized.
Apple Blossom, for a faster finish at 45 days with a beginner-friendly difficulty rating. It trades the haze character for a balanced 50/50 hybrid with sweet apple-floral terps.
Dream Queen, for another 45-day option with strong lateral branching and a citrus-leaning profile. A good choice if the priority is speed over haze-specific effects.

Where to buy Sour Lime Haze seeds

Sour Lime Haze is available from North Atlantic Seed Company in 3-pack, 6-pack, and 100-pack options of feminized photoperiod seeds, priced from approximately $60 to $750.

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Frequently asked questions

How long does Sour Lime Haze take to flower?

49 to 56 days indoors. Outdoor harvest falls in late September to early October. That is roughly half the flowering time of traditional haze cultivars, which typically run 10 to 12 weeks.

Is Sour Lime Haze beginner-friendly?

It is intermediate. The plant stays medium height and handles limited space well, but the extremely top-heavy colas need staking or trellising from week three of flower. If you are comfortable with basic plant support, you will be fine.

What does Sour Lime Haze taste like?

The dominant note is lime peel, backed by a fuel or gas undertone and a peppery bite. The aroma is loud in the tent during flower and holds through curing.

Can I grow Sour Lime Haze outdoors?

Yes. Outdoor harvest falls in late September to early October. The compressed flowering window also makes it a strong candidate for light-deprivation setups aiming at multiple harvests per season.

Where can I buy Sour Lime Haze seeds?

Sour Lime Haze is available from North Atlantic Seed Company in 3-pack, 6-pack, and 100-pack feminized photoperiod seeds, priced from approximately $60 to $750.

What is the lineage of Sour Lime Haze?

It is a cross of MMXX and Elmo’s Army. Elmo’s Army itself is Moose and Lobstah crossed with Super Silver Haze, which is where the haze character comes from.

How much does Sour Lime Haze yield?

Very high. The plant produces giant, dense, rounded colas. Plan on staking or trellising, because the main stem will fold under the weight without support.