Quick answer: Begonia seeds need light to sprout. Surface-sow them on moist mix without covering, keep them under a dome at 70–80°F, and expect sprouts in 2–4 weeks.

Learning how to grow from seed? Head over to our planting guide!

Gryphon Begonia Seeds - Plantflix

details

Difficulty Intermediate
Germination 2–4 weeks
Temperature 70–80°F
Depth Surface sow (don't cover)
Seed prep (none needed!)
Method Greenhouse
Time to maturity 6-12 months
Light Part Sun / Grow Lights
Pet-friendly No
begonia seeds

instructions

  1. Moisten the mix first. Water fine seed mix well before sowing.
  2. Surface sow. Tap the seeds onto the surface. Don't cover; they need light.
  3. Dome on. Cover with a humidity dome at 70–80°F in bright indirect light or under a grow light.
  4. Water from below. Bottom-water or mist so the seeds stay put.
  5. Prick out later. Move seedlings to their own pods once they have 2–3 true leaves.
Wax Begonia Seeds - Plantflix

things to know

  • Gryphon begonia: big, maple-shaped, silver-spotted leaves. A foliage houseplant.
  • Wax begonia: compact plants covered in small flowers, great on windowsills.
  • Tiny seedlings: they stay small for weeks. Patience pays off.
  • Pick a planter that holds moisture: plastic, rice hull or ceramic, with a dome. Skip terra cotta, peat pots, coco coir pots and egg cartons. They wick water away from the seed.
  • New to seeds? Start with our seed prep guide and planting guide.
grow your own!

plant care tips

  • Light: bright indirect light. A grow light helps in winter.
  • Water: let the top dry slightly between waterings. Soggy soil rots begonias.
  • Humidity: likes moderate humidity, but keep leaves dry to avoid mildew.
  • Feeding: diluted fertilizer every 2–4 weeks in the growing season.
  • Airflow: good airflow prevents powdery mildew.
try them out!

faqs

Do begonia seeds need light to germinate?

Yes. Surface sow and don't cover them.

Why are my begonia seedlings so small?

They're slow at first. Give them steady light and humidity.

Can wax begonias bloom indoors?

Yes, with bright light.

Are begonias pet-safe?

No. They're toxic to cats and dogs.

these are key aspects of your setup

check your setup!

  • 💡light: is your setup away from direct sun? these seeds should stay in indirect or filtered light, or better yet, under grow lights.
  • 💧moisture: does the soil feel very moist to the touch?
  • 🌡️temperature: is the setup away from direct sun, open windows, or heat vents? make sure it stays consistently between 70F-90F (use a heat mat if the temperature falls under 70F)
  • ☁️humidity: do you see condensation on the humidity dome? if not, make sure the dome is fully sealed, the setup is warm enough, and there's enough moisture in the soil.
  • 💚care: leave the dome on and only open it once a week to add water.
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