10 votes
Accepted

Why is the new soil building mold?

The conditions for growing mold are warmth, soil consistently wet, little air movement and undisturbed soil, and the presence of spores to feed on the organic matter present. It is natural to find ...
Colin Beckingham's user avatar
7 votes
Accepted

Should I add soil with living things, like worms, to a potting mix?

The trouble with introducing 'life' by inoculating with garden soil is you have no control over which life forms you are introducing, and some of them might be pathogenic when contained inside a pot ...
Bamboo's user avatar
  • 133k
7 votes
Accepted

What's the fastest way to dry peat before re-potting an overwatered succulent?

Well I wouldn't worry about drying it out first - simply tip it out of its pot, preferably wearing gloves, carefully, and with any luck, most of the wet soil will fall off immediately anyway. The ...
Bamboo's user avatar
  • 133k
7 votes
Accepted

How much soil to remove from root ball when repotting?

In theory, when you perform a transplant you should avoid damaging any of the roots at all, since any damage to roots causes the plant stress during transplant. In practice, you will always damage ...
Mark Ripley's user avatar
7 votes
Accepted

What makes potting soil good for pots?

Potting soil also gets compressed over time. The most important thing about potting soil is that it shouln't contain fungus spores, insect eggs and weeds. I say "it shouldn't" because I have bought ...
Alina's user avatar
  • 5,416
6 votes
Accepted

How to eliminate fertilizer odor from home?

If you used the spikes, I'd be surprised if you could smell those to the extent of your apartment 'reeking', but its simple to remove them. I suspect, though, you probably used the bagged granular ...
Bamboo's user avatar
  • 133k
6 votes
Accepted

Do just-repotted plants really need to wait for days before watering them? Why?

The trouble with gardening is, ask a panel of experts a question and you'll get 3 different answers. I remember your original question on this plant and then, you believed you should wait for the peat ...
Bamboo's user avatar
  • 133k
6 votes

What are these long, mostly translucent worms in my potted trees?

I'm not sure about the specific species, but they appear to be worms from the family Enchytraeidae (commonly known as potworms). They are not earthworms, but similar. They feed on/live in decayed ...
J. Musser's user avatar
  • 51.7k
6 votes

What should I do before using dried up bagged potting soil?

Just add water. Leave it in the bag and poke a hose right into the plastic and fill. Poke into another spot and fill. Leave it to absorb the moisture. Soil and other rooting media if allowed to get ...
stormy's user avatar
  • 40.3k
5 votes

How to sterilise soil?

Generally, ordinary soil is not sterilized commercially because its not necessary. Bagged or loose topsoil can be purchased, but it is not intended for use in pots, so there's no need for it to be ...
Bamboo's user avatar
  • 133k
5 votes
Accepted

What can I do to prevent mold in houseplants?

So there are two possibilities here, one is that you are indeed seeing mold, the other is you are seeing salts and mineral deposits on the surface of your soil. Mold is minimized by watering only ...
Escoce's user avatar
  • 6,376
5 votes
Accepted

Is this soil appropriate to plant this succulent baby?

Bamboo is right that generally you do need roots to replant an aloe vera pup, but anecdotally I know people who say they've been successful replanting a rootless pup. You've already got the pup and ...
michelle's user avatar
  • 9,484
5 votes

What makes potting soil good for pots?

"Normal soil" is so variable that it's a fairly meaningless term unless you qualify it. I used to live in a part of the UK where the topsoil was about 30% sand and 70% fine silt, with the water table ...
alephzero's user avatar
  • 11.4k
5 votes
Accepted

What are these specks of white fuzz in some of my potting soil?

It is fungal in nature, some sort of saprophyte trying to break down the organic components of the potting soil. Try less water or better ventilation/drainage. You could try taking it outside for ...
Ande Riley's user avatar
5 votes
Accepted

What are these little balls (green, yellow, orange) in my potting mix?

As the comments indicate this is slow release fertilizer mixed in with the soil less mix at the plant. The biodegradable resin coated shell allows for a slow release of the fertilizer. A common trade ...
kevinskio's user avatar
  • 59.3k
5 votes
Accepted

Why should carnivorous plants not be planted in regular soil / watered with regular water?

Some understanding in ecology and evolutionary biology can help us find an answer. In nature most plants and animals are adapted to certain environmental conditions. These carnivorous plants are ...
benn's user avatar
  • 13.1k
4 votes

How can i find what my soil pH is and how does it affect the plants?

The ph factor of your garden soil is only relevant if you have a garden. In pots, you can choose what type of potting medium to use, so you don't need to test it at all. Which type of compost/potting ...
Bamboo's user avatar
  • 133k
4 votes

Do just-repotted plants really need to wait for days before watering them? Why?

The theory behind not watering immediately after repotting is that you are inducing the roots to grow a little more vigorously to search for water and therefore 'rooting the plant in'. I personally ...
AvieRose's user avatar
  • 1,558
4 votes
Accepted

What was the blueberry plant potted in?

This is a woven cocoa fiber mat. Growers put a round disk with a hole for the stem of the plant to cut down on weeds. It does degrade slowly so it is not reused. The cocoa fibers can be chopped ...
kevinskio's user avatar
  • 59.3k
4 votes

Why is the new soil building mold?

This is totally common to have happen with new soil. It must not be sterilized very well or they added organic matter and fungal spores later. Not a problem. Use your fingers to 'fruff' up the top ...
stormy's user avatar
  • 40.3k
4 votes

Taking Care of my Orchid

From appearances, your orchid looks like a dendrobium. It's not true that orchids can be watered with a water spray bottle. During active growth, the planting mix should never be allowed to become too ...
Jude's user avatar
  • 1,616
4 votes
Accepted

Reviving some soil using fertilizer, how long to wait before planting?

It sounds like you should be fine. Worm casings are fine, as is, and if the fish-based fertilizer is sold as a fertilizer, read the instructions. If the instructions call for adding it to growing ...
PoloHoleSet's user avatar
4 votes
Accepted

Key lime tree: white mush/mold (?) on the roots, and curling whitening leaves

This looks like a terracotta pot. Due to the wicking action of these pots fertiliser salts can accumulate at the bottom and other locations. They can burn roots so if there's that danger you can use ...
Graham Chiu's user avatar
  • 23.2k
4 votes

Concerns with breathing in fine particles from soil

It is not harmful to get some 'dust' in your lungs, sporadically. Your lungs will remove it via mucus, like you have noticed. It becomes dangerous, when it becomes chronic instead of sporadic. So ...
benn's user avatar
  • 13.1k
4 votes

What should I do before using dried up bagged potting soil?

Some people sell desiccated compost to make it easier to ship around the country. Wet and use. If used dry there could be spores that can be inhaled.
Graham Chiu's user avatar
  • 23.2k
4 votes

Should I throw out soil after rot?

It is better not to use soil right now. Wait until it dries completely and plant something very hardy there. The pot is OK to use, just wash it with hot water.
Daria's user avatar
  • 931
4 votes
Accepted

Heavy wet clayey soil - grit, sand or perlite?

Apart from the heavy soil, your primary problem is lack of sunlight in the growing area. What you need is somewhere that gets all the sun that's going, but a minimum of 8 hours a day is essential (...
Bamboo's user avatar
  • 133k
4 votes
Accepted

Is it necessary to replace old soil when repotting a rootbound plant?

No, leave it alone, it's fine. It is not critical to root prune, and certainly not critical to remove the soil which forms the existing rootball. All that's critical is to use proper, new potting ...
Bamboo's user avatar
  • 133k
4 votes
Accepted

What would be the non-organic part in this vegetal compost mixture?

The numbers are confusing if you don't understand how they were measured, because the quoted "dry matter organic content" of 40%-50% does not account for all the organic material in the ...
alephzero's user avatar
  • 11.4k
4 votes

What plant is this root from?

It is a bulb or corm. Could be voo doo lily, Dracunculus vulgaris. Those bulbs tend to separate easily so it is not certain. Also the initial bulb will be larger than the others. These are most often ...
blacksmith37's user avatar
  • 8,686

Only top scored, non community-wiki answers of a minimum length are eligible