Table of Contents

How to grow Grandaddy Purple cannabis seeds in Indoor

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Mike Wilson
Granddaddy purple min

WEEK 1 – 2

HEIGHT

0 – 10 cm

POT SIZE

3 l.

LIGHT SCHEDULE

12 h.

PLANT DISTANCE

40 – 60 cm.

AIR HUMIDITY

60%

TEMPERATURE

28ºC – 82.4ºF

GranDaddy Purple PLANT
GranDaddy Purple PLANT

INFORMATION

In week 1 and from seed, Grandaddy Purple is grown with 12/12 lighting. Small 3L pots are used, since a sog is made with 9 plants of Grandaddy Purple. The above is replicated during week 2.

NUTRIENTS

In week 1 and 2, only the plants are watered with standing water, to avoid possible stress or blockage due to overfertilization.

WEEK 3 – 4

HEIGHT

6 – 16 cm.

POT SIZE

11 l.

LIGHT SCHEDULE

12 h.

PLANT DISTANCE

40 cm.

AIR HUMIDITY

60%

TEMPERATURE

28ºC – 82.4ºF

GranDaddy Purple PLANT
GranDaddy Purple PLANT

INFORMATION

Plants grow well on the week 3 they reach 16cm in week 4 and look vigorous.

NUTRIENTS

Irrigation is only with water in week 3. Now, in week 4 growth fertilizer is added in minimum doses of 0.2ml / L. The pH is 6.5, which is fine for a growing plant.

WEEK 5 – 9

HEIGHT

35 – 80 cm.

POT SIZE

11 l.

LIGHT SCHEDULE

12 h.

PLANT DISTANCE

25 – 40cm.

AIR HUMIDITY

55%

TEMPERATURE

28ºC – 82.4ºF

GranDaddy Purple PLANT
GranDaddy Purple PLANT
GranDaddy Purple PLANT
GranDaddy Purple PLANT

INFORMATION

Being week 5, the plants go to flowering. Little by little they begin to release a stronger and stronger smell.

week 6, the plants begin to show the first flowering pistils. For its part, the smell is increasing and feels more powerful than the previous week.

The plants pass at week 7, where the pistils begin to cover the plant. In week 8, the flowers are already more visible, because they are highly formed. The flowers cover from the tip to the middle of the main stem.

Now that it is week 9, the resin is visible in the flowers of the plant. It is surprising how many trichomes it produces so quickly.

NUTRIENTS

In week 5 the growth fertilizer is maintained, but in the minimum dose.

Week 6 and 7, the flowering fertilizer is added and the growth fertilizer is eliminated. The dose is the minimum of 0.2ml / L.

Week 8, the fattener is added, to stimulate the flowers, so that they grow more robust and resinous.

Finish week 9 with the same dose of 02ml / L of water, both flowering fertilizer and fattening agent.

WEEK 10 – 12

HEIGHT

100 cm.

POT SIZE

11 l.

LIGHT SCHEDULE

12 h.

PLANT DISTANCE

25 cm.

AIR HUMIDITY

55%

TEMPERATURE

28ºC – 82.4ºF

GranDaddy Purple PLANT
GranDaddy Purple PLANT
GranDaddy Purple PLANT

INFORMATION

In weeks 10 and 11 the plants continued to develop their flowers magnificently. The central bud of Grandaddy Purple is strong and robust. The flowers accumulate around the main stem in a great way and they tighten, as the days go by.

Week 12, the plant is definitely out of control with the smell, as it is too strong. Despite that, it is a pleasant smell to smell. As the plant matures at week 13, the plant shows other colors. Their leaves turn brown. For its part, the flowers of Grandaddy Purple are full of resin. The resin is dense and shiny, making the flowers look whitish.

NUTRIENTS

Between weeks 10 and 11, the same dose of 0.2ml/L of fertilizer for flowering and fattening is used.

In week 12, it is no longer watered with fertilizers. Only standing water is used to hydrate the plants. It is the last week, 13 and the plants are still being watered only with water. Important detail is that the PH remains stable at 6.5.

Strains featured in this article:

Mike Wilson

Mike Wilson is a passionate cannabis cultivator with over a decade of experience in the California cannabis industry. Born and raised in the heart of the West Coast, Mike has dedicated his life to honing his skills as a cultivator, becoming a true master of the plant. His love for cannabis and profound knowledge of its cultivation have led him to explore every facet of this captivating plant, from classic strains to the latest trends in cultivation and advanced techniques.

With a unique perspective on cannabis culture and a focus on sustainability and quality, Mike generously shares his valuable tips and tricks on this platform. Through his posts, he will guide you on the exciting journey of cannabis cultivation, providing expert insights and practical experiences to help you achieve success in your own cultivation endeavors. Join Mike on his journey through the world of cannabis and discover how to cultivate responsibly and achieve exceptional harvests. Become part of his community and unlock the secrets of a true cannabis master!

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