
Blue Cheese is a highly sought-after cannabis strain, known for its unique aroma, flavour, and effects. It is a hybrid cross between UK Cheese and Blueberry, and is often grown both indoors and outdoors. Blue Cheese is a fast-flowering strain and is usually ready to harvest within 7 to 9 weeks. The average flowering time is 8 weeks, but this can vary depending on the seed bank and phenotype. Growers can expect a yield of about 18 ounces per square meter indoors and 19 ounces or more per plant outdoors. The buds of Blue Cheese are dense and round, with bright green leaves and frosty white trichomes. The high THC content of Blue Cheese, ranging from 15% to over 20%, contributes to its relaxing and soothing effects, making it a popular choice for medical and recreational users alike.
| Characteristics | Values |
|---|---|
| Time to harvest | 7-9 weeks |
| Harvest time | Late September to early October |
| Height | 1.3–2.3 feet (1.3–2m) |
| Yield | 18-19.4 oz/m² indoors, 500-550 gr/plant outdoors |
| Trichome colours | 10% clear, 80% milky, 10% amber |
| Pistil colours | White, yellow, orange, brown |
| Temperature | 19–20°C |
| Humidity | 50–55% |
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What You'll Learn

Blue Cheese is ready to harvest after 7-9 weeks
Blue Cheese is a fast-flowering cannabis strain that is ready to harvest after 7 to 9 weeks. It is a low-maintenance, high-yielding plant with a very distinct flavour, aroma, and relaxing and soothing effects. Blue Cheese is a hybrid cross between UK Cheese and DJ Short's Blueberry, and it originated in Europe.
Blue Cheese is an easy strain to grow, making it ideal for novice and experienced growers alike. It is hardy, forgiving of minor errors, and favours a mild climate. It can be grown both indoors and outdoors, although it produces the best results under artificial lights. Indoor plants peak at a height of 62.4 inches, yield up to 19.4 oz/m², and have a speedy flowering time of 7–8 weeks. Plants cultivated outdoors grow no taller than 2m, produce 500–19.4 oz/plant, and will be ready to harvest and dry in late September.
The average flowering time for Blue Cheese is 8 weeks, but this can vary depending on the seed bank and phenotype. To promote heavy vegetative growth, move your seedlings into your grow room under 18–20 hours of light two weeks after germination and feed them regularly with plenty of nitrogen. After 4–6 weeks of vegetation, your plants should be ready to start flowering. After about 6 weeks of flowering, your Blue Cheese plants will be heavy with dense, trichome-covered buds.
To determine the optimal harvest time, you can examine the colour of the pistils and trichomes. The pistils should be mostly orange or brown, with only a few white hairs remaining. The trichomes on the bud should be approximately 10% clear, 80% milky, and 10% amber. You can also use a phone camera to take a close-up photo and examine the trichome heads.
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The trichomes on the bud should be 10% clear, 80% milky and 10% amber
The trichomes are the definitive answer to knowing when to harvest your Blue Cheese strain cannabis plant. The trichomes are the resinous glands covering the buds, leaves, and stems of the plant. They produce and store cannabis resin, which contains cannabinoids and aromatic terpenoids that determine the potency of the buds.
The trichomes on the bud should be 10% clear, 80% milky, and 10% amber when you harvest. This is the ideal ratio for most growers, but you may develop your own preference as you gain experience. The clear or transparent trichomes indicate the earliest stage of flowering, when the cannabinoids and terpenes haven't fully developed, and the potency is low. The milky or cloudy trichomes signal peak potency, with high THC levels and the best flavour and aroma. The amber trichomes indicate that the plant is in its final stage, and the THC starts to degrade into other cannabinoids, creating a more relaxed and sedative effect.
To examine the trichomes, you can use a phone camera to take a close-up photo and enlarge it to see the trichome heads. Alternatively, you can use a jeweller's loupe to inspect the trichomes up close.
The Blue Cheese strain typically has a flowering period of around 8-10 weeks, and you should monitor the trichome colour to determine the optimal time for harvesting. The buds of Blue Cheese are often coated in a generous layer of trichomes, contributing to the strain's potency and flavour.
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Pistils should be orangey-brown
Pistils are the tiny, hair-like strands on the cannabis plant. They are usually white in colour, but as the plant matures, they gradually change to a darker shade, turning orangey-brown. This colour transformation is a crucial indicator of the plant's readiness for harvest.
When most of the pistils on your Blue Cheese plant have turned orangey-brown, it's a sign that the plant is nearing maturity and will be ready for harvest soon. The colour change is an indication that the plant has completed its flowering stage and is starting to enter the late flowering or ripening phase. This is the time when the buds are developing their full potency and flavour.
The pistil colour method is a simple and effective way to determine harvest readiness without needing any special equipment. All you need to do is observe the colour of the pistils with your naked eye. However, it's important to note that this method may not be as precise as examining the trichomes under magnification.
To use the pistil colour method effectively, inspect your Blue Cheese plant regularly to monitor the colour of the pistils. When you notice that the majority of the pistils have turned from white to orangey-brown, you can start planning your harvest. This visual cue is a reliable indicator that your Blue Cheese plant is approaching its peak maturity and will be ready for harvest within a week or two.
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Buds should be fat and juicy
To get your Blue Cheese plant to the point where its buds are fat and juicy, there are several steps you should take. First, you'll want to germinate your seeds in April if you're growing outdoors. Blue Cheese plants grown outdoors can reach heights of up to 8 feet, so make sure you have adequate space. Provide your plants with plenty of nitrogen during the vegetative stage, which lasts for about 4 to 6 weeks. After this, you can flip your lights to induce flowering. Feed your plants regularly with a quality bloom booster during this stage.
As your Blue Cheese plant approaches maturity, keep a close eye on the trichomes. Use a magnifying glass or your phone camera to zoom in and check their colour. The trichomes will start out clear and gradually turn milky, and then amber. When they reach the ideal ratio of 10% clear, 80% milky, and 10% amber, your buds are ready to harvest. This usually occurs within 7 to 9 weeks of flowering.
It's important to note that the timing of harvest can vary depending on your preferences. Harvesting earlier, when the trichomes are mostly clear, will result in a more energizing and cerebral high. Waiting until the trichomes are more amber will give a more relaxing and sedative effect. The colour of the pistils (hairs) on the buds can also provide a rough indication of maturity, with fully mature pistils appearing orange or brown. However, the trichomes are the most accurate indicator of harvest timing.
Once you've harvested your fat and juicy buds, it's essential to dry and cure them properly to bring out their unique flavours and aromas. Hang the buds evenly on racks at temperatures of about 19–20°C and 50–55% humidity. Avoid drying at temperatures above 80°C, as this can volatilize terpenes. The drying process can take up to two weeks, after which you can jar your buds and let them cure for a month or longer.
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Leaves should be turning purple
The Blue Cheese strain is a popular and highly sought-after variety of cannabis known for its unique combination of flavours, aromas, and effects. It is the result of crossbreeding two well-known strains, namely Blueberry and UK Cheese.
When it comes to determining the optimal harvest time for the Blue Cheese strain, one key indicator to look out for is the colour of the leaves. Specifically, you should keep an eye out for the leaves turning purple. This colour change typically occurs towards the end of the flowering stage, which usually takes place around 8 to 10 weeks after starting the 12/12 light cycle.
The purple hue in the leaves is due to the presence of pigments called anthocyanins, which can be influenced by factors such as temperature fluctuations during the flowering stage. A slight temperature drop can encourage the development of these pigments, resulting in the purple colouration.
Therefore, if you notice that the leaves of your Blue Cheese plant are starting to turn purple, it is a good indication that the plant is approaching maturity and is getting ready for harvest. However, it is important to monitor the trichome colour as well, as this can provide additional insight into the optimal harvest time. Milky or cloudy trichomes indicate peak potency, while amber trichomes suggest a more relaxing effect.
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Frequently asked questions
Blue Cheese is usually ready to harvest after 7-9 weeks of flowering.
You can use a magnifying glass or your phone camera to look for trichomes on the buds. When 10% are clear, 80% are milky, and 10% are amber, it's time to harvest.
After harvesting, dry your buds evenly on racks at temperatures of about 19–20°C and 50–55% humidity. You can also hang dry them for 7-14 days in 60°F with 60% humidity and light airflow.
Curing brings out the unique flavours and aromas of Blue Cheese. It also helps to preserve terpenes and remove chlorophyll, which can give the buds a "green or hay taste".

























