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How To Grow Basil Genovese Microgreens

Basil
Genovese

Ocimum basilicum L.

Genovese basil microgreens are packed with intense flavor and a delightful aroma, perfect for adding to any dish. They’re a versatile ingredient, especially for pesto sauce, and offer a nutritious boost to your meals.

Quick Grow Info:

  •  Scientific Name: Ocimum basilicum L.

  •  Flavor: Aromatic, Slightly Minty

  •  Seed Rate: 15g-20g per 10″ x 20″ tray

  •  Seeds Per in2: 0.075g-0.1g

  •  Pre-Soak: No

  •  Weight Duration: 3-4 Days

  •  Germination Time: 3-4 Days

  •  Blackout Time: 2-3 Days

  •  Seed To Harvest: 20-25 Days

  •  Growing Difficulty: Moderate

Did You Know
Fun Fact

Photo of Basil genovese pesto saunce in mortar and pestle

Pesto originated in the northern Italian city of Genoa, which is the capital of the Liguria region. The word “pesto” comes from the Genoese word “pestâ,” which means “to pound” or “to crush.”

Plant Details &
Grow Guide

How To Grow Genovese Basil Microgreens

If you love Basil, you definitely ought to try Genovese Basil microgreens. These tiny and incredibly nutritious microgreens not only bring a burst of exquisite basil flavor to your dishes, but they also offer numerous health benefits.

Let’s walk through the step-by-step process of cultivating these vibrant greens right in the comfort of your home. So grab your green thumb, and let’s begin!

Step 1 Preparing Your Genovese Basil Seeds

First, you need to measure your seeds using a scale. The best seeding rate for a 10″ × 20″ tray is 10-15 grams. If you plan to grow them in a 10″ × 10″ tray then simply divide the total amount by two, in this case, 5-8 grams.

If you’re a rebel like me you can just eyeball it without weighing, just make sure that your seeds are approx ⅛-¼” (3-6mm) apart.

Pro Tip 1
You can save a lot of time on measuring your seeds by using 1x tablespoon which is approximately 14.3 grams.

Once you’ve measured out your seeds you do not need to wash and pre-soak them. This is because basil genovese seeds are mucilaginous, and wetting them will make it a nightmare to spread them evenly on your growing medium.

Step 2 Sowing Your Seeds

Fill your tray with your preferred medium, it can be soil, potting mix, coco coir, etc, leaving 1-2cm of empty space from the tray edge to the soil level.

Leaving a small space between the tray edge and grow medium helps when it comes to harvesting, minimizing the chance of digging into the medium with your knife.

Make sure you level your medium with your hands so it’s not clumpy, you don’t want your seeds grouping together when you sow them.

Pro Tip 2
Genovese Basil loves well-drained loamy soil and it will grow well in other growing mediums as long as they’re not poorly aerated.

First, mist your medium with a spray bottle so it’s damp but not saturated, I recommend this because when you sow your seeds they won’t bounce around and instead stick to the medium.

Spread your seeds across the medium making sure they’re evenly spread out. Lastly, mist your seeds so they’re all covered with a fine mist of water.

Pro Tip 3
For optimal growth, Genovese Basil generally prefer a soil pH range of 6.0 to 7.0. This range provides adequate nutrient availability and supports the efficient absorption of essential elements from the soil.

Step 3 Germination & Weight Period

Grab an empty tray with no holes and place it on top of your sowed seeds. I use a 15lb (6.80kg) paving block for 10″ × 20″ trays or a 7lb (3.17 kg) brick on 10″ × 10″ trays.

This helps the seed radicle to bury into the medium when it emerges. Without weight, the radicles have a tougher time digging into the growing medium and anchoring itself.

Pro Tip 4
Genovese Basil loves warmer climates you can use a heat mat set to 75 °F (24 °C) to improve germination.

Keep in mind that the seeds will germinate while they’re covered and weighed down. A lot of people confuse the germination and weight period to be independent of one another and that you add them together, this is incorrect.

The germination time is there to give you an idea by what time the seeds will germinate, but you don’t add the germination time and blackout period together.

While your seeds are germinating and are weighed down you will need to keep your medium moist. You can do this by lightly misting your seeds every 12 hours, once in the morning and once at night.

Step 4 Blackout Time

After 3-4 days of weight period, the seeds should have germinated and the seedlings should now be lifting the empty tray. It’s now time to remove the weight and start the blackout period.

Take your empty tray and flip it upside down to create a blackout dome and place it back over your seeds.

Keeping them in the dark for another 2-3 days will force the freshly sprouted seedlings to stretch and search for light allowing them to get some height.

You can now start bottom watering your basil microgreens. To do this you simply add water to your bottom drain tray. I personally add 1 cup of water twice a day (every 12 hours), once in the morning and once in the evening.

When the 2-3 days of blackout time have passed you can remove the top tray/blackout dome and introduce your microgreens to light. I’ve found that 17 hours under lights and 7 hours with the lights off work well for me.

Grow your Genovese Basil anywhere from 20-25 days, following with daily watering of 2 cups per day, once every 12 hours.

Step 5 Harvest

Harvesting your basil genovese microgreens is easy and you only need a sharp knife, I personally love and recommend the Green Mercer Produce Knife. But if you prefer scissors, that’s also completely fine; just make sure they’re sharp!

Now, here’s an important tip to keep your harvest pristine; make sure to keep your chosen tool (whether it’s a knife or scissors) away from the soil! It’s imperative in avoiding any accidental contact between the blade and the soil, you don’t want any unwanted dirt from sneaking into your microgreen harvest and contaminating it.

By following this important pointer, you’ll ensure that your harvested microgreens are of top notch quality and purity.

Plant Details & Taxonomy

Basil Genovese, scientifically known as Ocimum basilicum L., is an impressive plant that combines both visual appeal and exquisite flavor effortlessly.

As an annual herb, it completes its life cycle within a year.

One gram of Basil Genovese seeds contains 300-500 seeds, providing ample opportunities for cultivation.

Its vibrant green leaves and unmistakable basil fragrance make it a favorite among both gardeners and chefs.

This versatile herb thrives in warm weather conditions and truly shines when cultivated as microgreens or baby greens.

Source: The botanical data and taxonomic details were acquired from the USDA Plants Database

Rank Scientific Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Lamiales
Family Lamiaceae – Mint family
Genus Ocimum L. – Basil
Species Ocimum basilicum L. – Sweet Basil
Common Names Genovese basil, Italian basil, Sweet basil, Common basil, Large-leaf basil, True basil, European basil, Genoese basil, Sweet Genovese basil

Microgreen Pests & Diseases

The following are the most common pests and diseases that can affect your microgreens.

White-Mold-Sclerotinia-sclerotiorum

White Mold – Sclerotinia sclerotiorum

Sclerotinia sclerotiorum is a necrotrophic fungal disease that causes what’s known as white mold, it can infect over 400 plant species worldwide. It’s also called cottony soft rot, stem rot, watery soft rot, crown rot, and seedling blight.

S. sclerotiorum key properties are its ability to create sclerotia which are its black resting structures, and mycelium which are the white fuzzy spiderweb-like growths you see on stems and growing medium.

microgreens suffering from damping off disease

Damping Off

Damping-off is an umbrella term that covers fungi and fungi-like organisms in several genera including Rhizoctonia, Botrytis, Phytophthora, and Fusarium, with the soil fungus Pythium being the often culprit.

Damping-off is a soil-borne fungal disease that affects seeds and seedlings typically by rotting of the stems and roots at and below the soil surface.

When a seed germinates the seedling will emerge fine but within 24 hours to a few days will become mushy and water-soaked, collapse at the base of the stem and die.

Aphids crawling on a plant stem

Aphids – Aphidoidea

Aphids suck! Quite literally. They’re soft-bodied insects that use their piercing-sucking mouths to feed on plants and there are over 4,000 aphid species in the world.

Other common names are greenflies, blackflies, and plant lice. They come in varying colors such as light green, black, white, brown, gray, or yellow.

When aphids feed on plants they secrete a sticky fluid which is called honeydew (no, don’t eat it). This goo they leave behind drips onto plants and can attract other pests such as ants. If the honeydew is left on leaves it can promote black sooty mold.

Genovese Basil Nutrition Facts

Genovese basil is a low-calorie herb that’s rich in essential vitamins and minerals.

A serving contains 2.65g of carbohydrates, 3.15g of protein, and 0.64g of total fat.

It’s a good source of dietary fiber, calcium, iron, and potassium and is abundant in phytonutrients like β-carotene and lutein + zeaxanthin.

Enjoy it in various dishes for enhanced flavor and nutrition.

Nutrition value per 100 g. (Source: USDA National Nutrient Database). Recommended Dietary Allowance (RDA) calculation based on data from NIH Nutrient Recommendations and Database.

Note: Percent Daily Values are calculated based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. This information is for educational purposes only and is not intended as medical advice. Please consult with a healthcare professional for personalized recommendations.

Principle Nutrient Value Unit RDA
Energy 23 Kcal 1%
Carbohydrates 2.65 g 2%
Protein 3.15 g 6%
Total Fat 0.64 g 1%
Cholesterol 0 mg 0%
Dietary Fiber 1.6 g 4%
Vitamins
Folate 11.4 mg 2%
Selenium, Se 68 µg 17%
Vitamin A 0.3 µg 1%
Vitamin B1 (Thiamin) 264 µg 352%
Vitamin B2 (Riboflavin) 0.034 mg 3%
Vitamin B3 (Niacin) 0.076 mg 6%
Vitamin B5 (Pantothenic acid) 0.902 mg 6%
Vitamin B-6 (Pyridoxin) 0.155 mg 12%
Vitamin C 18 mg 20%
Vitamin E 0.8 mg 5%
Vitamin K 415 µg 346%
Electrolytes
Sodium, Na 4 mg 0.27%
Potassium, K 295 mg 6.28%
Minerals
Calcium, Ca 177 mg 17.70%
Copper, Cu 0.385 mg 42.78%
Iron, Fe 3.17 mg 39.63%
Magnesium, Mg 64 mg 15.61%
Manganese, Mn 0 mg 0.00%
Phosphorus, P 56 mg 8.00%
Zinc, Zn 0.81 mg 7.36%
Phytonutrients 
β-Carotene, beta 3140 µg 78.50%
α-Carotene, alpha 0 µg 0.00%
Lutein + zeaxanthin 5650 µg 94.17%

Recommended Products

Explore my top curated picks for products needed to grow microgreens. Rest assured that all the featured items and products have been meticulously put to the test by me or have received glowing recommendations from my esteemed readers.

Green Microgreens Growing Trays

Microgreen Grow Trays

For my personal home use, these microgreen trays are my go to. Measuring around 12.2 x 9.06 x 1.77 inches (31 x 23 x 4.5 cm), these trays are perfectly suited for cultivating microgreens in a home microgreen grow room. What’s more, they’re durable, and cleaning them is a walk in the park, making them an all-around convenient choice.

1020 Microgreen Trays - Shallow Extra Strength Colors

1020 Microgreen Trays – Shallow Extra Strength Colors

Industry leading BootStrap Farmers 1020 microgreen trays! Designed with long lasting durability in mind, these colorful trays are built to withstand years of use and abuse. With a height of 1¼ inches (3.2 cm), these shallow trays make harvests easy, saving you time and increasing your yield. The trays come equipped with 36 drainage holes that effectively remove excess water, promoting a healthy growing environment and preventing mold growth. If you’re serious about growing microgreens and want the best trays available on the market, these trays are it!

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About The Author: Hello there! I'm Milos Vukcevic, the founder of Microgreen Silo. Armed with a Bachelor of Science in Agriculture (BAgSci) from Massey University, New Zealand, and 18 years of hands-on growing experience, my expertise lies in cultivating and nurturing various plants and microgreens.

At Microgreen Silo, my mission extends beyond cultivating these nutritious plants. I'm dedicated to sharing knowledge, pioneering innovative techniques, and building a community of microgreen enthusiasts.

Whether you're just starting your journey with microgreens or an experienced grower, I'm here to offer guidance, insights, and advice. My approach is rooted in deep expertise and a passion for microgreen cultivation. Join me in exploring the vibrant world of microgreens! You can contact me through my contact form if you need to get in touch.

Note: This information is for informational and educational purposes only and is not intended as medical advice. Please consult with a healthcare professional for personalized recommendations.

This post may contain affiliate links. I'll earn some loose change when you buy from any of my links at no extra cost to you, which I promise I'll blow on mocha ☕ and dark chocolate, which helps me in creating more epic and helpful content like this! 

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