How to Grow Northern Lights x Do-Si-Dos

Northern Lights x Do-Si-Dos is a 75% indica-dominant feminized strain that unites two legends: the resinous, hardy backbone of Northern Lights with the sweet, heavy character of Do-Si-Dos. It carries a THC level of 17 to 23%, placing it squarely in the medium range, and delivers a calming, munchie-inducing and deeply relaxing effect over a sweet, earthy flavor. This guide takes you through the whole grow, from germinating the seeds to the final cure.

It stays compact at around 3.94 ft, finishes flowering in 8 to 10 weeks, and rewards you with a high yield both indoors and out. Its sturdy indica genetics make it forgiving enough for first-time growers.

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Northern Lights x Do-Si-Dos

	THC	17% - 23% (Medium)
	Type	Feminized
	Yield	High
	Phenotype	75% Indica / 25% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Northern Lights

	THC	17% (Medium)
	Type	Feminized
	Yield	High
	Phenotype	90% Indica / 10% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Northern Lights x Do-Si-Dos at a Glance

Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this indica-dominant feminized cross, taken straight from the strain’s grow data.

These are feminized seeds, so every plant flowers female and you skip culling males. Its 75% indica lean places it firmly among the indica seeds, and its heavy returns both indoors and out earn it a spot with the high-yielding seeds. If you are still deciding, the find your strain tool can help you compare it with the rest of the catalog.

How to Germinate Northern Lights x Do-Si-Dos Seeds

A heavy harvest starts at germination. The paper towel method is hard to beat: fold the Northern Lights x Do-Si-Dos seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark at 70 to 79°F. A taproot usually appears in two to five days.

Once the taproot is a few millimeters long, move each seed root-down about 1 cm deep into a small pot of light, airy medium. Keep it lightly moist rather than soaked, hold humidity around 65 to 70%, and give soft light while the first true leaves open. Its vigorous indica genetics make for a strong, dependable seedling.

Starter tips

• Use plain, lightly pH-balanced water (pH 5.5 to 6.5) for the first week.
• Keep seedlings warm and humid, but never waterlogged.
• Hold off on nutrients until the second set of serrated leaves appears.

Growing Northern Lights x Do-Si-Dos in the Vegetative Stage

Northern Lights x Do-Si-Dos likes a temperate climate and, as a 75% indica, it grows into a compact, bushy plant that stays around 1.2 m. Keep it on 18 hours of light a day, aim for day temperatures of 68 to 79°F, and hold humidity around 50 to 60%. Its short internodes and sturdy frame make it an easy, resilient grower.

This is the stage to shape the plant. Because it bushes out rather than stretching, topping early and using low-stress training to spread the lower branches opens up the canopy, improves airflow, and pushes that already-high yield even higher. Give it room so light reaches the inner buds.

Its dense, compact build and October finish make it a strong outdoor plant across much of the US:

• Southern California and the Southwest: the warm, dry season suits its 8 to 10 week bloom and keeps the resinous buds clean through October.
• Pacific Northwest and cooler states: its Northern Lights heritage handles cool nights well, but its dense colas mean you want to watch late-season damp.
• Humid regions: keep good airflow around the tight, heavy buds, which can trap moisture as they swell.

Flowering and Buds of Northern Lights x Do-Si-Dos

Indoors, flip Northern Lights x Do-Si-Dos to a 12/12 light cycle to trigger flowering, which runs 8 to 10 weeks. Outdoors it ripens through October. As an indica-dominant plant it shows only a modest stretch after the flip, then packs on dense, resin-coated, chunky buds.

Through bloom, drop humidity to 40 to 45% and keep air moving so the tight flowers do not trap moisture. The buds build a sweet, earthy aroma with a rich, almost dessert-like depth, pulling the best from both the Northern Lights and Do-Si-Dos sides.

At 17 to 23% THC it sits in the medium range, so the effect is noticeably mellow, a calming, deeply relaxing body feel paired with the classic munchie-inducing lift.

Common Problems and Pro Tips

Northern Lights x Do-Si-Dos is beginner-friendly, but its dense buds and high yield point to a few things worth watching.

• Bud rot in dense colas: its tight, resinous flowers can trap humidity, so keep a fan moving and humidity below 45% late in flower.
• Support the branches: the high yield puts real weight on the limbs, so stake or net the colas before they start to lean.
• Feed it steadily: this heavy feeder rewards consistent nutrition, but ease off as you approach the flush.

Expert tip: this is a hardy, forgiving cross from two proven lines, so it is a great one to learn on. Defoliate lightly to open the dense canopy, keep airflow strong around the colas, and dry and cure slowly to bring out its sweet, earthy depth.

Aroma, Flavor and Effects

The nose is rich and sweet: a deep, earthy base lifted by a sugary, almost dessert-like sweetness from the Do-Si-Dos side. It is smooth and inviting rather than sharp, and it deepens as the buds cure.

The flavor follows the nose, sweet and earthy with a smooth, resinous finish. On the effect side it is calming and deeply relaxing, settling into an easy body calm, with the classic munchie-inducing lift that comes with a heavy indica. Because THC runs a steady 17 to 23%, it stays mellow rather than overwhelming.

Dominant terpenes

Northern Lights x Do-Si-Dos carries a layered terpene profile. The most influential are Myrcene, Caryophyllene, Humulene, Pinene, Linalool and Terpinolene: Myrcene lays down the earthy, resinous base, Caryophyllene and Humulene bring a spicy, woody depth, Pinene a fresh lift, Linalool a soft, sweet floral note, and Terpinolene a bright edge. Behind them sits a supporting cast, including Farnesene and Menthol, which rounds out its sweet, earthy character.

Nutrient Schedule

Treat the figures below as a starting map, not a rulebook. Northern Lights x Do-Si-Dos is a hungry, high-yielding feeder, so read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.

Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.

What to Do With Your Trim: Extracts and Hash

Northern Lights x Do-Si-Dos builds a thick coat of resin from both parents, so its trim is genuinely worth keeping. The sugar leaves you take off while manicuring are loaded with trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the sweet, earthy flavor intact, or you can run a solvent extraction if that is your setup. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.

Harvesting, Drying and Curing Northern Lights x Do-Si-Dos

Timing the harvest comes down to the trichomes. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness. Indoors this lands 8 to 10 weeks after the flip, and outdoors the plants are ready through October.

After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 50% and gentle air movement. Slow beats fast: drying over 10 to 14 days protects the sweet, earthy aromas that define this strain. When the small stems snap instead of bending, move the buds into jars.

Cure in sealed glass, opening the jars daily for the first week to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the sweet, earthy character really comes forward, and it is the step most first-time growers rush.

Frequently Asked Questions

Is Northern Lights x Do-Si-Dos easy to grow for beginners?

Yes, Northern Lights x Do-Si-Dos is beginner-friendly. Its 75% indica genetics give it a compact, sturdy frame that is forgiving and finishes in 8 to 10 weeks. The main things a new grower should plan for are its dense buds, which need good airflow, and supporting the branches under its high yield.

How long does Northern Lights x Do-Si-Dos take to flower?

Northern Lights x Do-Si-Dos flowers in 8 to 10 weeks once you switch it to a 12/12 light cycle indoors. Grown outdoors, it is ready through October. As an indica-dominant plant it shows only a modest stretch after the flip, then packs on dense, resin-coated buds over the back half of bloom.

How strong is Northern Lights x Do-Si-Dos?

Northern Lights x Do-Si-Dos has a THC level of 17 to 23%, which places it in the medium range. The effect is calming and deeply relaxing, a mellow body calm with the classic munchie-inducing lift. That steady potency makes it an easy, enjoyable strain for a wide range of growers and users.

How much does Northern Lights x Do-Si-Dos yield?

Northern Lights x Do-Si-Dos is a high-yielding strain. Indoors it gives around 1.8 to 2.13 oz/ft², and outdoors it can reach 21.16 to 28.22 oz per plant in good conditions. Topping, netting the canopy, and giving it strong light are what push it toward the top of that generous range.

What does Northern Lights x Do-Si-Dos taste and smell like?

Northern Lights x Do-Si-Dos leads with a rich, sweet, earthy aroma, with an almost dessert-like depth from its Do-Si-Dos side over the resinous Northern Lights base. It is smooth and inviting rather than sharp. Both the aroma and flavor deepen as the buds cure slowly in the jar after harvest.

Is Northern Lights x Do-Si-Dos an indica or a sativa?

Northern Lights x Do-Si-Dos is indica-dominant, at 75% indica and 25% sativa. That balance gives it a compact, bushy structure that is easy to manage indoors, plus a calming, deeply relaxing body effect lifted slightly by its small sativa side. It is a classic heavy-indica grow.