
Unlock the vibrant beauty of geraniums by mastering the art of starting their seeds indoors.
Why Start Geranium Seeds Indoors?
Starting geranium seeds indoors allows you to get a head start on the growing season. This is especially beneficial if you live in a region with a short growing season or unpredictable spring weather. By the time the outdoor conditions are just right, your seedlings will be strong and ready to thrive.
Additionally, starting seeds indoors gives you greater control over the growing environment. You can manage the light, temperature, and moisture levels more precisely, ensuring optimal conditions for germination and early growth. This nurturing start can lead to healthier, more vigorous plants.
Essential Supplies for Indoor Seed Starting
To start your geranium seeds indoors, you'll need a few essential supplies. These include seed trays or small pots, a quality seed-starting mix, and a clear plastic cover or plastic wrap to maintain humidity. A heat mat can also be helpful to provide consistent warmth, which aids germination.
Additionally, you will need grow lights or a sunny windowsill to ensure your seedlings get enough light. Proper labeling tools, such as plant markers or masking tape and a pen, will help you keep track of your seedlings. Lastly, a gentle watering can or spray bottle will help maintain the right moisture level without disturbing the seeds.
5 step Guide to Sowing Geranium Seeds
1. **Prepare Your Supplies**: Fill your seed trays or pots with seed-starting mix and moisten it lightly. Ensure the soil is damp but not waterlogged.
2. **Sow the Seeds**: Place the geranium seeds on the surface of the soil, spacing them according to the packet instructions. Lightly press them into the soil but do not cover them completely, as they need light to germinate.
3. **Cover and Warm**: Cover the trays with a clear plastic cover or plastic wrap to maintain humidity. Place the trays in a warm location or on a heat mat set to around 70-75°F (21-24°C).
4. **Provide Light**: Once the seeds germinate, which usually takes 7-14 days, remove the cover and place the trays under grow lights or in a sunny windowsill. Ensure they receive 14-16 hours of light daily.
5. **Water and Care**: Keep the soil consistently moist but not soggy. Use a spray bottle to water gently and avoid overwatering. As seedlings grow, thin them out if necessary to prevent overcrowding.
Using a Propagator
A propagator can make the process of starting geranium seeds even easier and more efficient. These handy devices provide a controlled environment with ideal humidity and temperature levels, promoting faster and more reliable germination.
To use a propagator, place your seed trays inside and set the temperature according to the seed packet instructions. Keep an eye on moisture levels and ensure the propagator is in a well-lit area. The consistent conditions can significantly boost your success rate, leading to robust seedlings.
Caring for Your Geranium Seedlings
Once your geranium seeds have sprouted, they require attentive care to grow into healthy plants. Ensure they receive ample light, either from grow lights or a bright window. Rotate the trays regularly to encourage even growth.
Water the seedlings carefully, allowing the soil to dry slightly between waterings but never letting it dry out completely. As the seedlings grow, you can begin to feed them with a diluted liquid fertilizer every two weeks to provide essential nutrients.
Transplanting Your Geraniums Outdoors
When the danger of frost has passed and your seedlings have developed a strong root system, it's time to transplant them outdoors. Gradually acclimate your seedlings to outdoor conditions by placing them outside for a few hours each day, increasing the time over a week.
Choose a sunny location with well-draining soil for your geraniums. Dig holes slightly larger than the root balls and plant the seedlings at the same depth they were growing indoors. Water them thoroughly after planting to help them establish in their new environment.
Blooming time for Geraniums
Geraniums typically begin to bloom about 12-16 weeks after sowing. The exact timing can vary based on the growing conditions and specific variety. With proper care, you can enjoy continuous blooms throughout the growing season, adding vibrant color to your garden.
Height & Spread
Geraniums can vary in height and spread depending on the variety. Most common garden geraniums grow to be about 12-24 inches tall and can spread about 12-18 inches wide. It's important to consider these dimensions when planning your garden layout to ensure adequate space for each plant.
FAQ
How long does it take to grow geraniums from seed? Germination typically takes 7-14 days, and plants begin to bloom about 12-16 weeks after sowing.
What is the secret to growing geraniums? Consistent care, including proper lighting, watering, and feeding, is key to healthy geraniums.
What month do you plant geraniums? Start seeds indoors 10-12 weeks before the last frost date, and transplant outdoors after the danger of frost has passed.
Should I soak geranium seeds before planting? Soaking isn't necessary, but it can help speed up germination.
Do seed geraniums like sun or shade? Geraniums thrive in full sun but can tolerate partial shade.
Do geraniums come back every year if planted in the ground? In warmer climates, they can be perennial, but in colder areas, they are typically grown as annuals.
Do geraniums do better in pots or in the ground? They do well in both, as long as they receive enough light and have well-draining soil.
Are banana peels good for geraniums? Banana peels can provide potassium, which benefits flowering plants like geraniums.
Should I use Miracle Grow on geraniums? Yes, a balanced fertilizer like Miracle Grow can support healthy growth.
Why are my geranium seeds not germinating? Ensure they have light, warmth, and consistent moisture.
Do geraniums need darkness to germinate? No, they need light to germinate.
Do geraniums reseed themselves? Typically, they do not reseed themselves effectively.
How often should geraniums be watered? Water when the top inch of soil feels dry.
What plant food is good for geraniums? A balanced liquid fertilizer works well.
How to make geraniums grow big? Provide consistent care, adequate light, and regular feeding.
Can I leave geraniums in the garden over winter? In colder climates, bring them indoors or treat them as annuals.
How do I know if my geranium is annual or perennial? Check the variety; most common garden geraniums are treated as annuals in colder climates.
Do geraniums multiply? They can be propagated from cuttings, but they do not multiply on their own.